Set alias to room id

        Args:
            room_id (str): The room id.
            room_alias (str): The room wanted alias name.

def set_room_alias(self, room_id, room_alias):
        """Set alias to room id

        Args:
            room_id (str): The room id.
            room_alias (str): The room wanted alias name.
        """
        data = {
            "room_id": room_id
        }

        return self._send("PUT", "/directory/room/{}".format(quote(room_alias)),
                          content=data)