move parts to new common component to avoid circular dependency of zonecommon and objcommon

src/Common/Game/IGame.h

@@ -0,0 +1,15 @@
+#pragma once
+#include "GameLanguage.h"
+#include <vector>
+
+class Zone;
+
+class IGame
+{
+public:
+    virtual const std::string& GetName() = 0;
+    virtual void AddZone(Zone* zone) = 0;
+    virtual void RemoveZone(Zone* zone) = 0;
+    virtual std::vector<Zone*> GetZones() = 0;
+    virtual std::vector<GameLanguagePrefix> GetLanguagePrefixes() = 0;
+};