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);
}