Merge pull request #1141 from parente/update-dhub-readmes

[ci skip] Update stack READMEs

all-spark-notebook/README.md

-[![docker pulls](https://img.shields.io/docker/pulls/jupyter/all-spark-notebook.svg)](https://hub.docker.com/r/jupyter/all-spark-notebook/) [![docker stars](https://img.shields.io/docker/stars/jupyter/all-spark-notebook.svg)](https://hub.docker.com/r/jupyter/all-spark-notebook/) [![image metadata](https://images.microbadger.com/badges/image/jupyter/all-spark-notebook.svg)](https://microbadger.com/images/jupyter/all-spark-notebook "jupyter/all-spark-notebook image metadata")
+[![docker pulls](https://img.shields.io/docker/pulls/jupyter/all-spark-notebook.svg)](https://hub.docker.com/r/jupyter/all-spark-notebook/)
+[![docker stars](https://img.shields.io/docker/stars/jupyter/all-spark-notebook.svg)](https://hub.docker.com/r/jupyter/all-spark-notebook/)
+[![image metadata](https://images.microbadger.com/badges/image/jupyter/all-spark-notebook.svg)](https://microbadger.com/images/jupyter/all-spark-notebook "jupyter/all-spark-notebook image metadata")
 
 # Jupyter Notebook Python, Scala, R, Spark Stack
 
-Please visit the documentation site for help using and contributing to this image and others.
+GitHub Actions in the https://github.com/jupyter/docker-stacks project builds and pushes this image
+to Docker Hub.
 
-* [Jupyter Docker Stacks on ReadTheDocs](http://jupyter-docker-stacks.readthedocs.io/en/latest/index.html)
-* [Selecting an Image :: Core Stacks :: jupyter/all-spark-notebook](http://jupyter-docker-stacks.readthedocs.io/en/latest/using/selecting.html#jupyter-all-spark-notebook)
-* [Image Specifics :: Apache Spark](http://jupyter-docker-stacks.readthedocs.io/en/latest/using/specifics.html#apache-spark)
+Please visit the project documentation site for help using and contributing to this image and
+others.
+
+- [Jupyter Docker Stacks on ReadTheDocs](http://jupyter-docker-stacks.readthedocs.io/en/latest/index.html)
+- [Selecting an Image :: Core Stacks :: jupyter/all-spark-notebook](http://jupyter-docker-stacks.readthedocs.io/en/latest/using/selecting.html#jupyter-all-spark-notebook)
+- [Image Specifics :: Apache Spark](http://jupyter-docker-stacks.readthedocs.io/en/latest/using/specifics.html#apache-spark)

base-notebook/README.md

-[![docker pulls](https://img.shields.io/docker/pulls/jupyter/base-notebook.svg)](https://hub.docker.com/r/jupyter/base-notebook/) [![docker stars](https://img.shields.io/docker/stars/jupyter/base-notebook.svg)](https://hub.docker.com/r/jupyter/base-notebook/) [![image metadata](https://images.microbadger.com/badges/image/jupyter/base-notebook.svg)](https://microbadger.com/images/jupyter/base-notebook "jupyter/base-notebook image metadata")
+[![docker pulls](https://img.shields.io/docker/pulls/jupyter/base-notebook.svg)](https://hub.docker.com/r/jupyter/base-notebook/)
+[![docker stars](https://img.shields.io/docker/stars/jupyter/base-notebook.svg)](https://hub.docker.com/r/jupyter/base-notebook/)
+[![image metadata](https://images.microbadger.com/badges/image/jupyter/base-notebook.svg)](https://microbadger.com/images/jupyter/base-notebook "jupyter/base-notebook image metadata")
 
 # Base Jupyter Notebook Stack
 
-Please visit the documentation site for help using and contributing to this image and others.
+GitHub Actions in the https://github.com/jupyter/docker-stacks project builds and pushes this image
+to Docker Hub.
 
-* [Jupyter Docker Stacks on ReadTheDocs](http://jupyter-docker-stacks.readthedocs.io/en/latest/index.html)
-* [Selecting an Image :: Core Stacks :: jupyter/base-notebook](http://jupyter-docker-stacks.readthedocs.io/en/latest/using/selecting.html#jupyter-base-notebook)
+Please visit the project documentation site for help using and contributing to this image and
+others.
+
+- [Jupyter Docker Stacks on ReadTheDocs](http://jupyter-docker-stacks.readthedocs.io/en/latest/index.html)
+- [Selecting an Image :: Core Stacks :: jupyter/base-notebook](http://jupyter-docker-stacks.readthedocs.io/en/latest/using/selecting.html#jupyter-base-notebook)

datascience-notebook/README.md

-[![docker pulls](https://img.shields.io/docker/pulls/jupyter/datascience-notebook.svg)](https://hub.docker.com/r/jupyter/datascience-notebook/) [![docker stars](https://img.shields.io/docker/stars/jupyter/datascience-notebook.svg)](https://hub.docker.com/r/jupyter/datascience-notebook/) [![image metadata](https://images.microbadger.com/badges/image/jupyter/datascience-notebook.svg)](https://microbadger.com/images/jupyter/datascience-notebook "jupyter/datascience-notebook image metadata")
+[![docker pulls](https://img.shields.io/docker/pulls/jupyter/datascience-notebook.svg)](https://hub.docker.com/r/jupyter/datascience-notebook/)
+[![docker stars](https://img.shields.io/docker/stars/jupyter/datascience-notebook.svg)](https://hub.docker.com/r/jupyter/datascience-notebook/)
+[![image metadata](https://images.microbadger.com/badges/image/jupyter/datascience-notebook.svg)](https://microbadger.com/images/jupyter/datascience-notebook "jupyter/datascience-notebook image metadata")
 
 # Jupyter Notebook Data Science Stack
 
-Please visit the documentation site for help using and contributing to this image and others.
+GitHub Actions in the https://github.com/jupyter/docker-stacks project builds and pushes this image
+to Docker Hub.
 
-* [Jupyter Docker Stacks on ReadTheDocs](http://jupyter-docker-stacks.readthedocs.io/en/latest/index.html)
-* [Selecting an Image :: Core Stacks :: jupyter/datascience-notebook](http://jupyter-docker-stacks.readthedocs.io/en/latest/using/selecting.html#jupyter-datascience-notebook)
+Please visit the project documentation site for help using and contributing to this image and
+others.
+
+- [Jupyter Docker Stacks on ReadTheDocs](http://jupyter-docker-stacks.readthedocs.io/en/latest/index.html)
+- [Selecting an Image :: Core Stacks :: jupyter/datascience-notebook](http://jupyter-docker-stacks.readthedocs.io/en/latest/using/selecting.html#jupyter-datascience-notebook)

minimal-notebook/README.md

-[![docker pulls](https://img.shields.io/docker/pulls/jupyter/minimal-notebook.svg)](https://hub.docker.com/r/jupyter/minimal-notebook/) [![docker stars](https://img.shields.io/docker/stars/jupyter/minimal-notebook.svg)](https://hub.docker.com/r/jupyter/minimal-notebook/) [![image metadata](https://images.microbadger.com/badges/image/jupyter/minimal-notebook.svg)](https://microbadger.com/images/jupyter/minimal-notebook "jupyter/minimal-notebook image metadata")
+[![docker pulls](https://img.shields.io/docker/pulls/jupyter/minimal-notebook.svg)](https://hub.docker.com/r/jupyter/minimal-notebook/)
+[![docker stars](https://img.shields.io/docker/stars/jupyter/minimal-notebook.svg)](https://hub.docker.com/r/jupyter/minimal-notebook/)
+[![image metadata](https://images.microbadger.com/badges/image/jupyter/minimal-notebook.svg)](https://microbadger.com/images/jupyter/minimal-notebook "jupyter/minimal-notebook image metadata")
 
 # Minimal Jupyter Notebook Stack
 
-Please visit the documentation site for help using and contributing to this image and others.
+GitHub Actions in the https://github.com/jupyter/docker-stacks project builds and pushes this image
+to Docker Hub.
 
-* [Jupyter Docker Stacks on ReadTheDocs](http://jupyter-docker-stacks.readthedocs.io/en/latest/index.html)
-* [Selecting an Image :: Core Stacks :: jupyter/minimal-notebook](http://jupyter-docker-stacks.readthedocs.io/en/latest/using/selecting.html#jupyter-minimal-notebook)
+Please visit the project documentation site for help using and contributing to this image and
+others.
+
+- [Jupyter Docker Stacks on ReadTheDocs](http://jupyter-docker-stacks.readthedocs.io/en/latest/index.html)
+- [Selecting an Image :: Core Stacks :: jupyter/minimal-notebook](http://jupyter-docker-stacks.readthedocs.io/en/latest/using/selecting.html#jupyter-minimal-notebook)

pyspark-notebook/README.md

-[![docker pulls](https://img.shields.io/docker/pulls/jupyter/pyspark-notebook.svg)](https://hub.docker.com/r/jupyter/pyspark-notebook/) [![docker stars](https://img.shields.io/docker/stars/jupyter/pyspark-notebook.svg)](https://hub.docker.com/r/jupyter/pyspark-notebook/) [![image metadata](https://images.microbadger.com/badges/image/jupyter/pyspark-notebook.svg)](https://microbadger.com/images/jupyter/pyspark-notebook "jupyter/pyspark-notebook image metadata")
+[![docker pulls](https://img.shields.io/docker/pulls/jupyter/pyspark-notebook.svg)](https://hub.docker.com/r/jupyter/pyspark-notebook/)
+[![docker stars](https://img.shields.io/docker/stars/jupyter/pyspark-notebook.svg)](https://hub.docker.com/r/jupyter/pyspark-notebook/)
+[![image metadata](https://images.microbadger.com/badges/image/jupyter/pyspark-notebook.svg)](https://microbadger.com/images/jupyter/pyspark-notebook "jupyter/pyspark-notebook image metadata")
 
 # Jupyter Notebook Python, Spark Stack
 
-Please visit the documentation site for help using and contributing to this image and others.
+GitHub Actions in the https://github.com/jupyter/docker-stacks project builds and pushes this image
+to Docker Hub.
 
-* [Jupyter Docker Stacks on ReadTheDocs](http://jupyter-docker-stacks.readthedocs.io/en/latest/index.html)
-* [Selecting an Image :: Core Stacks :: jupyter/pyspark-notebook](http://jupyter-docker-stacks.readthedocs.io/en/latest/using/selecting.html#jupyter-pyspark-notebook)
-* [Image Specifics :: Apache Spark](http://jupyter-docker-stacks.readthedocs.io/en/latest/using/specifics.html#apache-spark)
+Please visit the project documentation site for help using and contributing to this image and
+others.
+
+- [Jupyter Docker Stacks on ReadTheDocs](http://jupyter-docker-stacks.readthedocs.io/en/latest/index.html)
+- [Selecting an Image :: Core Stacks :: jupyter/pyspark-notebook](http://jupyter-docker-stacks.readthedocs.io/en/latest/using/selecting.html#jupyter-pyspark-notebook)
+- [Image Specifics :: Apache Spark](http://jupyter-docker-stacks.readthedocs.io/en/latest/using/specifics.html#apache-spark)

r-notebook/README.md

-[![docker pulls](https://img.shields.io/docker/pulls/jupyter/r-notebook.svg)](https://hub.docker.com/r/jupyter/r-notebook/) [![docker stars](https://img.shields.io/docker/stars/jupyter/r-notebook.svg)](https://hub.docker.com/r/jupyter/r-notebook/) [![image metadata](https://images.microbadger.com/badges/image/jupyter/r-notebook.svg)](https://microbadger.com/images/jupyter/r-notebook "jupyter/r-notebook image metadata")
+[![docker pulls](https://img.shields.io/docker/pulls/jupyter/r-notebook.svg)](https://hub.docker.com/r/jupyter/r-notebook/)
+[![docker stars](https://img.shields.io/docker/stars/jupyter/r-notebook.svg)](https://hub.docker.com/r/jupyter/r-notebook/)
+[![image metadata](https://images.microbadger.com/badges/image/jupyter/r-notebook.svg)](https://microbadger.com/images/jupyter/r-notebook "jupyter/r-notebook image metadata")
 
 # Jupyter Notebook R Stack
 
-* [Jupyter Docker Stacks on ReadTheDocs](http://jupyter-docker-stacks.readthedocs.io/en/latest/index.html)
-* [Selecting an Image :: Core Stacks :: jupyter/r-notebook](http://jupyter-docker-stacks.readthedocs.io/en/latest/using/selecting.html#jupyter-r-notebook)
+GitHub Actions in the https://github.com/jupyter/docker-stacks project builds and pushes this image
+to Docker Hub.
+
+Please visit the project documentation site for help using and contributing to this image and
+others.
+
+- [Jupyter Docker Stacks on ReadTheDocs](http://jupyter-docker-stacks.readthedocs.io/en/latest/index.html)
+- [Selecting an Image :: Core Stacks :: jupyter/r-notebook](http://jupyter-docker-stacks.readthedocs.io/en/latest/using/selecting.html#jupyter-r-notebook)

scipy-notebook/README.md

-[![docker pulls](https://img.shields.io/docker/pulls/jupyter/scipy-notebook.svg)](https://hub.docker.com/r/jupyter/scipy-notebook/) [![docker stars](https://img.shields.io/docker/stars/jupyter/scipy-notebook.svg)](https://hub.docker.com/r/jupyter/scipy-notebook/) [![image metadata](https://images.microbadger.com/badges/image/jupyter/scipy-notebook.svg)](https://microbadger.com/images/jupyter/scipy-notebook "jupyter/scipy-notebook image metadata")
+[![docker pulls](https://img.shields.io/docker/pulls/jupyter/scipy-notebook.svg)](https://hub.docker.com/r/jupyter/scipy-notebook/)
+[![docker stars](https://img.shields.io/docker/stars/jupyter/scipy-notebook.svg)](https://hub.docker.com/r/jupyter/scipy-notebook/)
+[![image metadata](https://images.microbadger.com/badges/image/jupyter/scipy-notebook.svg)](https://microbadger.com/images/jupyter/scipy-notebook "jupyter/scipy-notebook image metadata")
 
 # Jupyter Notebook Scientific Python Stack
 
-Please visit the documentation site for help using and contributing to this image and others.
+GitHub Actions in the https://github.com/jupyter/docker-stacks project builds and pushes this image
+to Docker Hub.
 
-* [Jupyter Docker Stacks on ReadTheDocs](http://jupyter-docker-stacks.readthedocs.io/en/latest/index.html)
-* [Selecting an Image :: Core Stacks :: jupyter/scipy-notebook](http://jupyter-docker-stacks.readthedocs.io/en/latest/using/selecting.html#jupyter-scipy-notebook)
+Please visit the project documentation site for help using and contributing to this image and
+others.
+
+- [Jupyter Docker Stacks on ReadTheDocs](http://jupyter-docker-stacks.readthedocs.io/en/latest/index.html)
+- [Selecting an Image :: Core Stacks :: jupyter/scipy-notebook](http://jupyter-docker-stacks.readthedocs.io/en/latest/using/selecting.html#jupyter-scipy-notebook)

tensorflow-notebook/README.md

-[![docker pulls](https://img.shields.io/docker/pulls/jupyter/tensorflow-notebook.svg)](https://hub.docker.com/r/jupyter/tensorflow-notebook/) [![docker stars](https://img.shields.io/docker/stars/jupyter/tensorflow-notebook.svg)](https://hub.docker.com/r/jupyter/tensorflow-notebook/) [![image metadata](https://images.microbadger.com/badges/image/jupyter/tensorflow-notebook.svg)](https://microbadger.com/images/jupyter/tensorflow-notebook "jupyter/tensorflow-notebook image metadata")
+[![docker pulls](https://img.shields.io/docker/pulls/jupyter/tensorflow-notebook.svg)](https://hub.docker.com/r/jupyter/tensorflow-notebook/)
+[![docker stars](https://img.shields.io/docker/stars/jupyter/tensorflow-notebook.svg)](https://hub.docker.com/r/jupyter/tensorflow-notebook/)
+[![image metadata](https://images.microbadger.com/badges/image/jupyter/tensorflow-notebook.svg)](https://microbadger.com/images/jupyter/tensorflow-notebook "jupyter/tensorflow-notebook image metadata")
 
 # Jupyter Notebook Deep Learning Stack
 
-Please visit the documentation site for help using and contributing to this image and others.
+GitHub Actions in the https://github.com/jupyter/docker-stacks project builds and pushes this image
+to Docker Hub.
 
-* [Jupyter Docker Stacks on ReadTheDocs](http://jupyter-docker-stacks.readthedocs.io/en/latest/index.html)
-* [Selecting an Image :: Core Stacks :: jupyter/tensorflow-notebook](http://jupyter-docker-stacks.readthedocs.io/en/latest/using/selecting.html#jupyter-tensorflow-notebook)
-* [Image Specifics :: Tensorflow](http://jupyter-docker-stacks.readthedocs.io/en/latest/using/specifics.html#tensorflow)
+Please visit the project documentation site for help using and contributing to this image and
+others.
+
+- [Jupyter Docker Stacks on ReadTheDocs](http://jupyter-docker-stacks.readthedocs.io/en/latest/index.html)
+- [Selecting an Image :: Core Stacks :: jupyter/tensorflow-notebook](http://jupyter-docker-stacks.readthedocs.io/en/latest/using/selecting.html#jupyter-tensorflow-notebook)
+- [Image Specifics :: Tensorflow](http://jupyter-docker-stacks.readthedocs.io/en/latest/using/specifics.html#tensorflow)