Add apk upload to CI

Author: Real96

.github/workflows/ci.yml

@@ -24,3 +24,8 @@ jobs:
       - name: Build
         working-directory: ${{ env.PROJECT_PATH }}
         run: ./gradlew assemble
+      - name: Upload APK
+        uses: actions/upload-artifact@v4
+        with:
+          name: mct-debug-apk
+          path: ${{ env.PROJECT_PATH }}/app/build/outputs/apk/debug/app-debug.apk