- 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.
- Moved login and service management logic to `internal/cmd` package (`login.go` and `run.go`).
- Introduced `DoLogin` and `StartService` functions for modularity.
- Enhanced error handling by using structured `ErrorMessage` in `Client`.
- Improved token file saving process and added project-specific token identification.
- Updated API handlers to handle more detailed error responses, including status codes.
- Updated `GetAuthenticatedClient` to handle proxy configuration via `proxy-url`.
- Extended `Config` to include `proxy-url` property.
- Adjusted error handling and removed unused JSON error response logic for API handlers.
- Updated documentation and configuration examples to reflect new proxy settings.
