Implement Internationalization for Auth pages

Implement internationalization (i18n) support for unauthenticated pages, focusing on the login page and other public-facing interfaces. This includes language switching capabilities and smart phone number input localization based on user's browser settings.

• Improved user experience for non-English speaking users

• Increased accessibility and inclusivity

• Better user engagement through localized content

• Reduced friction during sign-up process with localized phone input

• Potential increase in international user adoption