Flutter firebase service

Firebase Analytics Firebase Crashlytics Firebase auth: Google, Facebook, Apple Firebase storage: select image + upload, gen URL download file Cloud functions Firebase messaging + local push notification Integrate firebase https://medium.com/@nhancv/flutter-create-a-firebase-project-183b681e4cb5…

Android

Add `launch_bg.png` and `launch_image.png` to Update `android/app/src/main/res/drawable/launch_background.xml` iOS Add `LaunchBackground.imageset` and `LaunchImage.imageset` to `ios/Runner/Assets.xcassets` Open `ios/Runner.xcworkspace` Select `Runner/Runner/LaunchScreen.storyboard`