public void ScheduleNewZombieTask(IGameBoard board)
        {
            zombieNum++;
            var localZombie = zombieNum;

            broadcastService.Broadcast(board, $"Night walker ({localZombie}) will spawn in 10 seconds");
            Thread.Sleep(5000);
            broadcastService.Broadcast(board, $"Night walker ({localZombie}) will spawn in 5 seconds");
            Thread.Sleep(3000);
            broadcastService.Broadcast(board, $"Night walker ({localZombie}) will spawn in 3 seconds");
            Thread.Sleep(1000);
            broadcastService.Broadcast(board, $"Night walker ({localZombie}) will spawn in 2 seconds");
            Thread.Sleep(1000);
            broadcastService.Broadcast(board, $"Night walker ({localZombie}) will spawn in 1 seconds");
            Thread.Sleep(1000);

            board.AddGameObject(new Zombie($"Night-walker ({localZombie})", 0.Random(10), 0));
        }