Create gradle_build.yaml for new gradle build workflows

.github/workflows/gradle_build.yaml

@@ -0,0 +1,37 @@
+name: Gradle Build
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Copy google-services.json
+      run:
+          # mkdir -p app/src/google-services.json
+          echo "${{ secrets.FIREBASE_JSON }}" >> app/src/google-services.json
+
+    - name: set up JDK 17
+      uses: actions/setup-java@v3
+      with:
+        java-version: '17'
+        distribution: 'temurin'
+        cache: gradle
+
+    - name: Set up Gradle
+      uses: gradle/gradle-build-action@v2
+      with:
+        gradle-version: '8.1.1'
+
+    - name: Grant execute permission for gradlew
+      run: chmod +x gradlew
+    - name: Build with Gradle
+      run: ./gradlew build