Add support for Expo V.41 and up via the usage of expo config plugins

[joseDaKing]

Add support for Expo V.41 and up via the usage of expo config plugins

[mikehardy]

Search project prior to requesting things (exercise for @joseDaKing: post back what you find)

[joseDaKing]

Here is a link to the expo config plugin for react-native-firebase and her is a link to the article about the config plugin. I think you should update the documentation and mention that react-native-firbase can be used with Expo v.42 and up.

[mikehardy]

@joseDaKing You did not search in here? Why not? You might like:

• https://github.com/invertase/react-native-firebase/pulls?q=expo

which shows:

#5480