Add github build action

.github/workflows/build_and_deploy.yml

@@ -0,0 +1,17 @@
+name: Build and deploy
+on: [push]
+jobs:
+  gradle:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-java@v4
+      with:
+        distribution: temurin
+        java-version: 21
+
+    - name: Setup Gradle
+      uses: gradle/gradle-build-action@v3
+
+    - name: Execute Gradle build
+      run: ./gradlew build