Add ImGui in Debug Mode,

improvement of input handling

src/Controller.h

@@ -7,8 +7,10 @@
 #include "Camera.h"
 #include "ShaderProgram.h"
 #include "VertexBuffer.h"
+#include "Entity.h"
 #include "defines.h"
 
+
 class Controller {
 
 public:
@@ -25,6 +27,8 @@ private:
 
     void updateWindowSize();
 
+    void renderImGui(Entity *entity);
+
     Window *gameWindow;
     EventHandler *gameEventHandler;
     Camera *camera;