Implemented basic containers and ref pointers

src/Engine/Graphics/Graphics.h

@@ -1,6 +1,28 @@
-class Graphics
-{
-public:
-	Graphics();
-	~Graphics();
-};
+#pragma once
+#include "MinimalEngine.h"
+#include "GraphicsResources.h"
+
+namespace Seele {
+	class Window;
+	class Graphics
+	{
+	public:
+		static Graphics& getInstance()
+		{
+			static Graphics instance;
+
+			return instance;
+		}
+		void init(GraphicsInitializer initializer);
+		void beginFrame();
+		void endFrame();
+	
+	//Singleton
+	private:
+		Graphics();
+		Graphics(Graphics const&) = delete;
+		void operator=(Graphics const&) = delete;
+		~Graphics();
+
+	};
+}