Functionality update

flutter_showcase_app/android/app/build.gradle

flutter_showcase_app/android/app/release/app-release.aab

...ter_showcase_app/android/app/src/main/AndroidManifest.xml

flutter_showcase_app/lib/screens/cv_screen.dart

flutter_showcase_app/lib/screens/home_screen.dart

flutter_showcase_app/lib/screens/second_weather_screen.dart

flutter_showcase_app/lib/screens/ship_screen.dart

flutter_showcase_app/lib/services/location_data.dart

flutter_showcase_app/lib/unused/weather_screen.dart

flutter_showcase_app/lib/utilities/button_navigator.dart

flutter_showcase_app/local_history.patch

flutter_showcase_app/pubspec.lock

flutter_showcase_app/pubspec.yaml