Usage: php database/create_user.php <username> <email> <role_id> [password]

Available roles:
  - superadmin: Full system access with all permissions
  - admin: Administrative capabilities for user and system management
  - desk_officer: Limited operational capabilities for record and report management

Example:
  php database/create_user.php john.doe john@example.com admin MyPassword123
  php database/create_user.php jane.doe jane@example.com desk_officer