AsyncStorage has been extracted from react-native core

[JRamon21]

Hi, i'm getting this warning but i cannot find where the async-storage is imported to change react-native by @ react-native-community/async-storage.

Warning: AsyncStorage has been extracted from react-native core and will be removed in a future release. It can now be installed and imported from '@react-native-community/async-storage' instead of 'react-native'. See https://github.com/react-native-community/async-storage