Links prefetching (#225)

1. Marketing Layout: speed up rendering by retrieving user session from cookies instead of using server side request
2. Use "redirecting" state when signing in to keep displaying a loading state while Next.js redirects to home page
3. Use "useCallback" to prevent double tracking when switching pages
4. Add links pre-fetching in marketing navigation
5. Add new pending state to MFA verification form
6. Pre-fetch sign-in/sign-up pages
7. Fix i18n when using regional languages
8. currency formatter should default to the region if it exists
9. Update packages

apps/web/public/locales/en/auth.json

@@ -69,6 +69,7 @@
   "termsOfService": "Terms of Service",
   "privacyPolicy": "Privacy Policy",
   "orContinueWith": "Or continue with",
+  "redirecting": "You're in! Please wait...",
   "errors": {
     "Invalid login credentials": "The credentials entered are invalid",
     "User already registered": "This credential is already in use. Please try with another one.",