add function to leave matrix on key stroke

[NRG-Drink]

for example: when hit q -> leave matrix.

example code:

if (Console.KeyAvailable)
{
	var key = Console.ReadKey();
	Console.Title = key.Key.ToString() ?? "no key";

	if (key.Key == ConsoleKey.Q)
	{
		_isRun = false;
	}
}