Add Windows Player support and related files

- New windows/ directory with build scripts, specs, and configuration
- Windows-specific requirements (requirements_win.txt)
- Launch and runtime scripts for Windows (run_win.py, launch_player.bat)
- PyInstaller build configuration (build.spec)
- Updated .gitignore to exclude windows/venv312/
- Updated config and source files for Windows compatibility
- Moved working_files to proper directory

config/app_config.json

@@ -1,7 +1,7 @@
 {
-  "server_ip": "192.168.0.109",
+  "server_ip": "192.168.0.107",
   "port": "8080",
-  "screen_name": "Birou_IT",
+  "screen_name": "WINDOWS-PC",
   "quickconnect_key": "8887779",
   "orientation": "Landscape",
   "touch": "True",