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>

Server/ToolProject/SkillRebalanceConverter/ItemSerialMgr.h

@@ -0,0 +1,25 @@
+#ifndef _RYL_DB_ITEM_SERIAL_MGR_H_
+#define _RYL_DB_ITEM_SERIAL_MGR_H_
+
+class CDBComponent;
+
+class CItemSerialMgr
+{
+public:
+
+    CItemSerialMgr();
+    ~CItemSerialMgr();
+
+    unsigned __int64 GetItemSerial() const { return m_dwItemSerial; }
+    bool SetItemSerial(unsigned __int64 dwItemSerial);
+
+    bool LoadItemSerial(CDBComponent& DBComponent, unsigned long dwServerID);
+    bool SaveItemSerial(CDBComponent& DBComponent, unsigned long dwServerID);
+
+private:
+
+    unsigned __int64    m_dwItemSerial;
+    unsigned long       m_dwServerID;
+};
+
+#endif