create firebase project and integrate with flutter app
firebase link:
https://firebase.google.com/
Required package:
Go to website and get latest version
https://pub.dev/packages/firebase_cor...
https://pub.dev/packages/firebase_auth
https://pub.dev/packages/cloud_firest...
or just add those line in pubspect.yamel
firebase_core: ^0.7.0
firebase_auth: ^0.20.0+1
cloud_firestore: ^0.16.0
add this line to solve dex error
multiDexEnabled truer