Run sphinx build

.github/workflows/sphinx.yml

@@ -13,13 +13,30 @@ jobs:
     steps:
       - name: Checkout Repo
         uses: actions/checkout@v2
+      - name: Set Up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.x
+      - name: Install Dev Dependencies
+        run: |
+          python -m pip install --upgrade pip
+          make dev-env
+      - name: Build Documentation
+        run: make docs
 
-  template:
-    name: Update English Translation Templates
+  gettext:
+    name: Update Translation Source Strings
     runs-on: ubuntu-latest
     needs:
       - build
     if: github.ref == 'refs/heads/master'
     steps:
-      - name: TODO
-        run: echo "todo"
+      - name: Extract Source Strings
+        working-directory: docs
+        run: |
+          make gettext
+          sphinx-intl update -p _build/gettext -l en
+      - name: Push Strings to Master
+        uses: mikeal/publish-to-github-action@master
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}