fix(docker): resolve nginx and backend path configuration issues

- Add nginx/default.conf with simplified configuration to fix "no events section" error
- Update docker-compose.yml to mount nginx/default.conf instead of nginx.conf
- Fix backend/daemons.py data path from backend/data/daemons.json to data/daemons.json
- Improve users.json path detection with fallback logic in daemons.py
- Add servers directory to .gitignore
- Create DOCKER_FIX.md documentation with troubleshooting steps and solutions
- Ensure data directory is created automatically when backend starts

.gitignore

@@ -17,6 +17,7 @@ dist/
 # Servers
 backend/servers/
 backend/.env.exemple
+servers
 
 # IDE
 .vscode/