Changes to Add collaborators

added the new optional request property notify

added the optional property docs to the response with the 403 status

added the optional property hint to the response with the 403 status

added the optional property param to the response with the 403 status

added the optional property reason to the response with the 403 status

added the optional property redirect_url to the response with the 403 status

added the optional property request_id to the response with the 403 status

added the optional property suggestion to the response with the 403 status

added the optional property support to the response with the 403 status