Add release action

.github/workflows/release.yml

@@ -0,0 +1,26 @@
+name: Release
+
+on:
+  release:
+    types:
+      - published
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up JDK 11
+        uses: actions/setup-java@v1
+        with:
+          java-version: 11
+
+      - name: Build with Gradle
+        run: ./gradlew build
+
+      - name: Upload GitHub release
+        uses: AButler/[email protected]
+        with:
+          files: 'build/libs/*.jar;!build/libs/*-sources.jar;!build/libs/*-dev.jar'
+          repo-token: ${{ secrets.GITHUB_TOKEN }}