main: Fix missing SEO tab

main/models.py

-from datetime import timedelta
 from functools import cached_property
 
 from dateutil.relativedelta import relativedelta
@@ -131,6 +130,8 @@ class MainHomePage(
         FieldPanel("footer_person_list"),
     ]
 
+    promote_panels = make_promote_panels(admin_help.build(admin_help.IMPORTANT_TITLE))
+
     settings_panels = [
         FieldPanel("contact_newcomers"),
         PageChooserPanel("gdpr_and_cookies_page"),
@@ -145,6 +146,7 @@ class MainHomePage(
     edit_handler = TabbedInterface(
         [
             ObjectList(content_panels, heading="Obsah"),
+            ObjectList(promote_panels, heading="Propagovat"),
             ObjectList(settings_panels, heading="Nastavení"),
             ObjectList(MenuMixin.menu_panels, heading="Menu"),
         ]