implemented add + update with the new API (and added feature to update contact image)
implemented add + update with the new API (and added feature to update contact image)

RobTS/react-native-contacts,IDTLabs/react-native-contacts,IDTLabs/react-native-contacts,rt2zz/react-native-contacts,rt2zz/react-native-contacts,rt2zz/react-native-contacts,npomfret/react-native-contacts,npomfret/react-native-contacts,diatrevolo/react-native-contacts,npomfret/react-native-contacts,anton-aleksandrov/react-native-contacts,anton-aleksandrov/react-native-contacts,diatrevolo/react-native-contacts,RobTS/react-native-contacts,rt2zz/react-native-contacts,IDTLabs/react-native-contacts,RobTS/react-native-contacts,diatrevolo/react-native-contacts,anton-aleksandrov/react-native-contacts