add release workflow

Author: feschber

.github/workflows/android.yml

@@ -25,3 +25,7 @@ jobs:
         run: cargo ndk -t arm64-v8a -o app/src/main/jniLibs build --package solitaire-game --release
       - name: Assemble Apk
         run: ./gradlew assemble
+      - uses: actions/upload-artifact@v4
+        with:
+          name: android-apk
+          path: app/build/outputs/apk/release/app-release.apk

.github/workflows/release.yml

@@ -0,0 +1,33 @@
+name: Release
+
+on:
+  push:
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: write  # Required to create a GitHub Release
+
+    steps:
+      - name: Download Android APK
+        uses: actions/download-artifact@v4
+        with:
+          name: android-apk
+          path: ./artifacts/android-apk
+
+      - name: Download WASM Dist
+        uses: actions/download-artifact@v4
+        with:
+          name: wasm-dist
+          path: ./artifacts/wasm-dist
+
+      - name: Create GitHub Release
+        uses: softprops/action-gh-release@v2
+        with:
+          files: |
+            ./artifacts/android-apk/**
+            ./artifacts/wasm-dist/**
+          generate_release_notes: true   # Auto-generates changelog
+          draft: false
+          prerelease: ${{ contains(github.ref_name, '-rc') || contains(github.ref_name, '-beta') }}