User Language Preference

The Multilingual Support (Danish) epic includes the User Language Preference capability. The User Language Preference capability requires the Language column in users table. The User Language Preference capability uses the PATCH /api/v1/auth/me API endpoint to update the user's language setting. The User Language Preference capability uses the User model where the language column is added. The User Language Preference capability updates the RegisterRequest schema to include the language field. The User Language Preference capability uses the API auth endpoint for language preference to update and retrieve user language settings.