Initial work on implementing support for cheats

arm9/source/cheats/ICheatRepository.h

@@ -0,0 +1,13 @@
+#pragma once
+#include "GameCheats.h"
+
+class ICheatRepository
+{
+public:
+    virtual ~ICheatRepository() { }
+
+    virtual std::unique_ptr<GameCheats> GetCheatsForGame(u32 gameCode, u32 headerCrc32) const = 0;
+
+protected:
+    ICheatRepository() { }
+};