- Added `SetupService` to handle the generation and validation of setup tokens.
- Integrated setup token generation during application startup if no admin users exist.
- Created API endpoints for checking setup status and completing the initial setup.
- Updated `AuthService` to include functionality for creating the initial admin user.
- Enhanced error handling for setup and authentication processes.
- Added frontend components for login and protected routes.
- Implemented Zustand store for managing authentication state.
- Updated Vite configuration to check setup status and serve the setup page if required.
- Documented the initial setup process in `setup.md`.
