build: add release workflow

.github/workflows/release.yml

@@ -0,0 +1,28 @@
+name: Build binary files for release
+
+on:
+  release:
+    types:
+      - 'created'
+      - 'edited'
+
+jobs:
+  build-main:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - uses: actions/setup-java@v4
+      with:
+        distribution: 'zulu'
+        java-version: '17'
+        cache: 'gradle'
+    - run: ./gradlew assembleRelease --stacktrace
+    - run: ./gradlew bundleRelease --stacktrace
+    - name: Upload APK Release
+    uses: actions/upload-artifact@v3
+    with:
+        path: ${{ env.main_project_module }}/build/outputs/apk/release/
+    - name: Upload AAB (App Bundle) Release
+    uses: actions/upload-artifact@v3
+    with:
+        path: ${{ env.main_project_module }}/build/outputs/bundle/release/