#returns all messages in a chat in a meeting
  get '/meetings/:uuid/chat/messages' => 'chats#messages_of_meeting_chat'
  #returns the information about the chat of a meeting
  get '/meetings/:uuid/chat' => 'chats#meeting_chat'
  #creates a message
  post '/chat/:chat_id/message' => 'messages#create'
	#{sender: user_id, content:message}