add i18n

app/views/mfa_setup/_form.html.erb

@@ -1,6 +1,6 @@
 <%= form_for '', url: mfa_setup_path, data: { turbo_frame: :_top }, html: { id: 'mfa_form' } do |f| %>
   <p class="text-center">
-    Use an authenticator mobile app like Google Authenticator or 1Password to scan the QR code below.
+    <%= t('use_an_authenticator_mobile_app_like_google_authenticator_or_1password_to_scan_the_qr_code_below') %>
   </p>
   <div>
     <%== RQRCode::QRCode.new(@provision_url).as_svg(viewbox: true, svg_attributes: { class: 'md:w-80 md:h-80 my-4 mx-auto' }) %>
@@ -12,6 +12,6 @@
     </span>
   </div>
   <div class="form-control mt-4">
-    <%= f.button button_title(title: 'Save'), class: 'base-button' %>
+    <%= f.button button_title(title: t('save')), class: 'base-button' %>
   </div>
 <% end %>