Merge remote-tracking branch 'origin/master'

.github/workflows/main2.yml

+# This is a basic workflow to help you get started with Actions
+
+name: Shadow
+
+# Controls when the action will run. Triggers the workflow on push or pull request 
+# events but only for the master branch
+on:
+  release:
+    types:
+      - created
+
+# A workflow run is made up of one or more jobs that can run sequentially or in parallel
+jobs:
+  # This workflow contains a single job called "build"
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up JDK 1.8
+        uses: actions/setup-java@v1
+        with:
+          java-version: 1.8
+      - name: Grant execute permission for gradlew
+        run: chmod +x gradlew
+      - name: Build with Gradle and shadowJar
+        run: ./gradlew :mirai-core:shadowJar :mirai-core-qqandroid:shadowJar
+      - name: Upload artifact
+        uses: actions/upload-artifact@v1.0.0
+        with:
+          # Artifact name
+          name: mirai-core-all
+          # Directory containing files to upload
+          path: "mirai-core/build/libs/mirai-core-*-all.jar"
+      - name: Upload artifact
+        uses: actions/upload-artifact@v1.0.0
+        with:
+          # Artifact name
+          name: mirai-core-qqandroid-all
+          # Directory containing files to upload
+          path: "mirai-core-qqandroid/build/libs/mirai-core-qqandroid-*-all.jar"