Added github action yml file

.github/workflows/build.yml

@@ -0,0 +1,40 @@
+name: Build debug APK
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - '**'
+    paths-ignore:
+      - 'README.md'
+      - 'assets/**'
+      - '.github/**/*.md'
+
+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'
+          cache: 'gradle'
+
+      - name: Create debug directory
+        run: mkdir -p app/src/debug
+
+      - name: Decode google-services.json
+        env:
+          GOOGLE_SERVICES: ${{ secrets.GOOGLE_SERVICES }}
+        run: echo $GOOGLE_SERVICES > app/src/debug/google-services.json
+
+      - name: Build debug APK and run jvm tests
+        run: ./gradlew assembleDebug --stacktrace
+
+      - name: Upload APK
+        uses: actions/upload-artifact@v3
+        with:
+          name: app
+          path: app/build/outputs/apk/full/debug/*.apk

.gitignore

@@ -13,3 +13,4 @@
 .externalNativeBuild
 .cxx
 local.properties
+.idea