update readme (#828)
update readme (#828)


AJIXuMuK/sp-dev-fx-webparts,AJIXuMuK/sp-dev-fx-webparts,rgarita/sp-dev-fx-webparts,rgarita/sp-dev-fx-webparts,SharePoint/sp-dev-fx-webparts,AJIXuMuK/sp-dev-fx-webparts,SharePoint/sp-dev-fx-webparts