[TASK 2.1.9] Implement multi-language support for registration

[catapam]

Allow users to choose from multiple languages when registering.

Acceptance Criteria:

• [ ] The registration form supports multiple languages.
• [ ] Language options are visible and easy to select.

Steps:

1. Identify and include the required languages.
2. Localize all text fields and messages on the registration form.
3. Implement a language switcher on the registration page.
4. Test the form in each supported language.

Linked Issues:

• 1

• 2

• Documentation: Multi-Language Support Documentation

Previous task:

• 52