GitHub workflow for release

.github/workflows/release-plugin.yml

@@ -0,0 +1,30 @@
+name: Release plugin
+
+on:
+  release:
+    types: [ created ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up JDK 8
+      uses: actions/setup-java@v2
+      with:
+        java-version: '8'
+        distribution: 'temurin'
+
+    - name: Setup Gradle
+      uses: gradle/gradle-build-action@v2
+
+    - name: Build
+      run: ./gradlew build
+
+    - name: Publish to plugins.gradle.org
+      run: |
+        ./gradlew -Pgradle.publish.key=${{ secrets.GRADLE_PUBLISH_KEY }} \
+                  -Pgradle.publish.secret=${{ secrets.GRADLE_PUBLISH_SECRET }} \
+                  -Prelease=true \
+                  publishPlugins