Remove EpdRenderer and create new GfxRenderer

src/screens/Screen.h

@@ -1,15 +1,15 @@
 #pragma once
 #include <InputManager.h>
 
-class EpdRenderer;
+class GfxRenderer;
 
 class Screen {
  protected:
-  EpdRenderer& renderer;
+  GfxRenderer& renderer;
   InputManager& inputManager;
 
  public:
-  explicit Screen(EpdRenderer& renderer, InputManager& inputManager) : renderer(renderer), inputManager(inputManager) {}
+  explicit Screen(GfxRenderer& renderer, InputManager& inputManager) : renderer(renderer), inputManager(inputManager) {}
   virtual ~Screen() = default;
   virtual void onEnter() {}
   virtual void onExit() {}