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));
}