Implements _scrollEnded & sets up 3 months on load
Implements _scrollEnded & sets up 3 months on load

- Works only for prepending so far (scrolling to past months)

samcorcos/react-native-calendar,christopherdro/react-native-calendar,christopherdro/react-native-calendar,hyb175/react-native-calendar,hyb175/react-native-calendar,samcorcos/react-native-calendar,christopherdro/react-native-calendar,hyb175/react-native-calendar,samcorcos/react-native-calendar