Added a debug controller

Made a default template for cameras.
Added delta to mouse state so we can check delta for debug Camera.

Game/Controller/DebugCameraController.h

@@ -0,0 +1,12 @@
+#pragma once
+
+// TODO : Should support Debug/Profile/Release properly.
+// I think debug profile should have this controller but not release
+void ActivateDebugController();
+void DeactivateDebugController();
+bool IsDebugControllerActive();
+void UpdateDebugController(float dt);
+
+#if JULIET_DEBUG
+void RenderImGuiDebugController(float dt);
+#endif