public async Task CreateHostRoom(Room room)
        {
            _roomService.AddRoomWithHostInsideWithInLobbyState(room);
            await _roomService.SaveChangesAsync();

            await Groups.AddToGroupAsync(Context.ConnectionId, room.Id.ToString());

            this.AddOrUpdateItemInContextItems(roomIdKey, room.Id);
            await Clients.Caller.HostRoomCreated(room.Id);
        }