- Implement kick functionality with add, remove, and check operations
- Add file management with create, request, and verify operations
- Update database schema with new tables and columns
- Enhance command handling in client module for new features
- Fix argument order in verify_password function
Add user authentication with password hashing
- Integrated Argon2 for password hashing and verification
- Added bcrypt and thiserror dependencies
- Updated database schema with admin and ban flags
- Implemented user account creation and login logic
- Enhanced error handling for database operations
```
