Update contributor_onboarding.md
Update contributor_onboarding.md
Lucashuang0802/JSQMessagesViewController,derekjcarter/JSQMessagesViewController,GianniCarlo/JSQMessagesViewController,TeletronicsDotAe/JSQMessagesViewController,WhisperSystems/JSQMessagesViewController,derekjcarter/JSQMessagesViewController,adozenlines/JSQMessagesViewController,WhisperSystems/JSQMessagesViewController,perpetio/JSQMessagesViewController,sebastianludwig/JSQMessagesViewController,perpetio/JSQMessagesViewController,preeo/JSQMessagesViewController,GianniCarlo/JSQMessagesViewController,eliburke/JSQMessagesViewController,GuyKahlon/JSQMessagesViewController,jessesquires/JSQMessagesViewController,cheskapac/JSQMessagesViewController,cheskapac/JSQMessagesViewController,jessesquires/JSQMessagesViewController,preeo/JSQMessagesViewController,TeletronicsDotAe/JSQMessagesViewController,adozenlines/JSQMessagesViewController,TeletronicsDotAe/JSQMessagesViewController,sebastianludwig/JSQMessagesViewController,perpetio/JSQMessagesViewController,derekjcarter/JSQMessagesViewController,adozenlines/JSQMessagesViewController,Lucashuang0802/JSQMessagesViewController,sebastianludwig/JSQMessagesViewController,Lucashuang0802/JSQMessagesViewController,preeo/JSQMessagesViewController