add release workflow

.github/workflows/release.yaml

@@ -0,0 +1,32 @@
+name: Release
+on:
+  push:
+    branches:
+      - master
+
+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
+      - name: Build Package
+        run: mvn -B verify
+  release:
+    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: Release Package
+        run: |
+          git config --global user.email "[email protected]"
+          git config --global user.name "release"
+          mvn -B release:prepare release:perform
+        env: 
+          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}