setup release workflow

.github/workflows/gradle.yml

@@ -1,3 +1,4 @@
+---
 name: Java CI with Gradle and Make
 
 on:
@@ -12,11 +13,11 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
-    - name: Set up JDK 11
-      uses: actions/setup-java@v2
-      with:
-        java-version: '11'
-        distribution: 'adopt'
-    - name: Build with Gradle
-      run: make all
+      - uses: actions/checkout@v2
+      - name: Set up JDK 11
+        uses: actions/setup-java@v2
+        with:
+          java-version: '11'
+          distribution: 'adopt'
+      - name: Build with Gradle
+        run: make all

.github/workflows/release.yml

@@ -0,0 +1,30 @@
+---
+name: "tagged-release"
+
+on:
+  push:
+    tags:
+      - "v*"
+
+jobs:
+  tagged-release:
+    name: "Tagged Release"
+    runs-on: "ubuntu-latest"
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up JDK 11
+        uses: actions/setup-java@v2
+        with:
+          java-version: '11'
+          distribution: 'adopt'
+      - name: Build with Gradle
+        run: make all
+      - name: Automatic Releases
+        uses: marvinpinto/[email protected]
+        with:
+          repo_token: "${{ secrets.GITHUB_TOKEN }}"
+          prerelease: false
+          files: |
+            LICENSE.txt
+            build/libs/*.jar