Added GitHub workflow

.github/workflows/gradle.yml

@@ -0,0 +1,34 @@
+name: gradle-ci
+
+on: [ push, pull_request, workflow_dispatch ]
+
+jobs:
+  build-gradle-project:
+    runs-on: ubuntu-latest
+
+    env:
+      GRADLE_OPTS: "-Dorg.gradle.jvmargs=-XX:MaxMetaspaceSize=512m"
+
+    strategy:
+      matrix:
+        java-version: [ 17, 19 ]
+
+    steps:
+      - name: Checkout source repository
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Set up JDK ${{ matrix.java-version }}
+        uses: actions/setup-java@v3
+        with:
+          distribution: 'temurin'
+          java-version: ${{ matrix.java-version }}
+
+      - name: Grant execute permission for gradlew
+        run: chmod +x gradlew
+
+      - name: Test with Gradle
+        uses: gradle/gradle-build-action@v2
+        with:
+          arguments: build check --stacktrace