- Added `GinLogrusLogger` for structured request logging using Logrus.
- Implemented `GinLogrusRecovery` to handle panics and log stack traces.
- Configured log rotation using Lumberjack for efficient log management.
- Replaced Gin's default logger and recovery middleware with the custom implementations.
- Introduced `Watcher` for monitoring updates to the configuration file and authentication directory.
- Integrated file watching into `StartService` to handle dynamic changes without restarting.
- Enhanced API server and handlers to support client and configuration updates.
- Updated `.gitignore` to include `docs/` directory.
- Modified go dependencies to include `fsnotify` for the file watcher.
