During "flutter build ipa" add validation to check if app is ready for release #97730
Description
For all of these, either point to the docs, or inline instructions for how to fix it
Example warnings
- App icon is still set to default, point to https://docs.flutter.dev/deployment/ios#add-an-app-icon or in-line how to change
- App display name is set to package name (the default, probably not right)
Informational output
- Build number https://docs.flutter.dev/deployment/ios#updating-the-apps-version-number
- Minimum iOS version
- App display name
- Other settings from https://docs.flutter.dev/deployment/ios#review-xcode-project-settings