Added basic window implementation and modified Application loop

GlitchyEngine/src/Application.bf

@@ -1,10 +1,28 @@
+using GlitchyEngine.Platform.Windows;
+
 namespace GlitchyEngine
 {
 	public class Application
 	{
+		private Window _window ~ delete _;
+		private bool _running;
+
+		public bool IsRunning => _running;
+
+		public this()
+		{
+			// Todo: make Platform independent
+			_window = new WindowsWindow(WindowDescription());
+		}
+
 		public void Run()
 		{
-			while(true) {}
+			_running = true;
+
+			while(_running)
+			{
+				_window.Update();
+			}
 		}
 	}
 }