need authenticated.

• GET /user
  Return current user information.
• POST /user
  Create new user.
• GET /user/{id}
  Return user information of id.

• GET /rooms
  Return rooms of current user created.
• WebSocket /chatws/{roomid}/{token}
  Connect the room.
• POST /room
  Create new room.

• GET /multiple/{infoType}/{startDate}/{endDate}
  Return history system information of {infoType} from {startDate} to {endDate}.
• GET /host
  Return system information of host.
• Websocket /ws
  Return real-time system information from host continuously.