MessageObject (#1838)
MessageObject (#1838)

- Update the documentation about message object to show developers the way to mark a message with the available states.

Co-authored-by: Daniel Mejia <f9bc5c5aeb7f8ef3b0bdc0e694a3b9a7bd99c56b@lmejia-mac.local>
FaridSafi/react-native-gifted-chat,FaridSafi/react-native-gifted-chat