workflow add

.github/workflows/gradle-publish.yml

@@ -0,0 +1,25 @@
+# This workflow will build a package using Gradle and then publish it to GitHub packages when a release is created
+# For more information see: https://github.com/actions/setup-java#publishing-using-gradle
+
+name: Gradle Package
+
+on:
+  release:
+    types: [created]
+
+jobs:
+  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
+        server-id: github # Value of the distributionManagement/repository/id field of the pom.xml
+        settings-path: ${{ github.workspace }} # location for the settings.xml file
+
+    - name: Build with Gradle
+      run: gradle build