Update README.md (#1617)
Update README.md (#1617)

Adjust the installation for latest version.
Additionally add a note.

This is causing issues for users, and some tickets are created because of this.
bsudekum/react-native-mapbox-gl,bsudekum/react-native-mapbox-gl,bsudekum/react-native-mapbox-gl,bsudekum/react-native-mapbox-gl