Restructure repository to include all source folders

Move git root from Client/ to src/ to track all source code:
- Client: Game client source (moved to Client/Client/)
- Server: Game server source
- GameTools: Development tools
- CryptoSource: Encryption utilities
- database: Database scripts
- Script: Game scripts
- rylCoder_16.02.2008_src: Legacy coder tools
- GMFont, Game: Additional resources

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

GameTools/GLOBALSCRIPT/Item/ItemMgr.h

@@ -0,0 +1,51 @@
+#ifndef _CITEM_MGR_H_
+#define _CITEM_MGR_H_
+
+#define g_ItemMgr   Item::CItemMgr::GetInstance()
+#include <Pattern/Singleton.h>
+
+#include <vector>
+#include "ItemStructure.h"
+
+// ----------------------------------------------------------------------------
+// class : CItemMgr ( must use in single thread )
+// 아이템 스크립트를 로딩하고, 저장하고, 새 아이템을 생성하는 등의 역할을 한다.
+
+namespace Item
+{
+    // 전방 참조
+    class CItem;
+
+    class CItemMgr : public CSingleton<CItemMgr>
+    {
+    public:
+    	
+	    // 파일로부터 읽고 쓰는 기능
+	    bool LoadItemProtoType(const char* szFileName = 0);
+	    bool LoadItemProtoTypeBinary(const char* szFileNameBinary = 0);
+	    bool SaveItemProtoTypeBinary(const char* szFileNameBinary = 0, const char* szTrashFile = 0);
+
+        const Item::ItemInfo* GetItemInfo(unsigned short usProtoTypeID);
+        const Item::ItemInfo* GetItemInfoFromItemName(const char* szItemName); 
+        const Item::ItemInfo* GetItemInfoFromEquipName(const char* szEquipName);
+
+        const char*	GetEquipName(const unsigned short usItemProtoTypeID);
+		const unsigned short GetItemIDFromSkillID(const unsigned short usSkill_ID, const unsigned short unSkill_LockCount);        		
+		
+        ~CItemMgr();
+
+    private:
+
+	    CItemMgr();
+	    
+        void DestoryItemInfo();
+
+        static const char*  ms_szItemScriptFileName;
+        static CItemMgr     ms_this;
+
+        size_t              m_nItemNum;
+        Item::ItemInfo*     m_ItemInfoArray;
+    };
+}
+
+#endif