Add workflow to build unsigned apk

.github/workflows/unsigned_release.yml

@@ -0,0 +1,29 @@
+name: Create Unsigned Release APK
+
+on:
+  workflow_dispatch:
+
+jobs:
+  debug-builds:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Validate Gradle Wrapper
+        uses: gradle/wrapper-validation-action@v2
+
+      - name: Setup JDK
+        uses: actions/setup-java@v4
+        with:
+          java-version: 17
+          distribution: "temurin"
+
+      - name: Build APK
+        run: bash ./gradlew assembleRelease --stacktrace
+
+      - name: Upload APK
+        uses: actions/upload-artifact@v4
+        with:
+          name: app
+          path: app/build/outputs/apk/release/*.apk