Github actions added

.github/workflows/on-pull-request.yml

@@ -0,0 +1,27 @@
+name: Java CI with Gradle
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up JDK 17
+      uses: actions/setup-java@v3
+      with:
+        java-version: '17'
+        distribution: 'temurin'
+    - name: Run chmod to make gradlew executable
+      run: chmod +x ./gradlew
+    - name: Build with Gradle
+      uses: gradle/gradle-build-action@67421db6bd0bf253fb4bd25b31ebb98943c375e1
+      with:
+        arguments: build
+    - run: ./gradlew spotlessCheck