initial work on linker

src/Util/Singleton.h

@@ -0,0 +1,27 @@
+#pragma once
+
+#include <cstdlib>
+#include <new>
+
+template <class T>
+class Singleton
+{
+public:
+	static T* Instance()
+	{
+		if (!m_instance)
+		{
+			m_instance = static_cast<T*>(std::malloc(sizeof(T)));
+			new (m_instance) T;
+		}
+
+		return m_instance;
+	}
+
+protected:
+	Singleton();
+	~Singleton();
+
+private:
+	static inline T* m_instance = nullptr;
+};