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/SoundLib/Common.h

@@ -0,0 +1,18 @@
+#ifndef __COMMON_H__
+#define __COMMON_H__
+
+#pragma warning(disable:4786)
+#pragma warning(disable:4251)
+#pragma warning(disable:4503)
+
+#include <string>
+#include <algorithm>
+#include <list>
+#include <vector>
+#include <map>
+#include <math.h>
+#include <process.h>
+#include <windows.h>
+#include <mmsystem.h>
+
+#endif //__COMMON_H__