Add CMainFlow

Former-commit-id: f18a1963f0

include/MetroidPrime/CFrontEndUI.hpp

@@ -0,0 +1,14 @@
+#ifndef _CFRONTENDUI
+#define _CFRONTENDUI
+
+#include "MetroidPrime/CIOWin.hpp"
+
+class CFrontEndUI : public CIOWin { 
+public:
+  CFrontEndUI();
+
+  EMessageReturn OnMessage(const CArchitectureMessage& message, CArchitectureQueue& queue);
+private:
+};
+
+#endif // _CFRONTENDUI