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/RylServerProject/RylServerLibrary/Network/ClientNetwork/NullSession.h

@@ -0,0 +1,36 @@
+#ifndef _GAMA_CLIENT_NULL_SESSION_H_
+#define _GAMA_CLIENT_NULL_SESSION_H_
+
+#include "Session.h"
+#include "NullHandler.h"
+#include <cstdio>
+
+namespace ClientNet
+{
+    class NullSession : public CSession
+    {
+    public:
+
+        NullSession(CSessionMgr& SessionMgr)
+            :   CSession(SessionMgr, &NullHandler::GetInstance())
+        {
+
+        }        
+
+        virtual ~NullSession() { m_lpEventHandler = NULL; }
+        virtual CNetworkMsgBlock* GetNetworkMsgBlock(unsigned long dwSize, INET_Addr& addr, unsigned char cCmd)
+        {
+            fprintf(stderr, "SessionName:%s\tCmd:0x%02x\tReqSize:%6u\tNullSession cannot create message block!.\n", 
+                GetSessionName(), cCmd, dwSize);
+            return NULL; 
+        }
+
+        virtual int Open(INET_Addr& addr) { return 0; }
+        virtual int Open(INET_Addr& addr, SOCKET hSocket) { return 0; }  // Passive Socket
+        virtual int Recv() { return 0; }
+        virtual int Send(unsigned long dwMaxSendCount) { return 0; }
+    };
+}
+
+
+#endif