Populate the client website template with catalog feature flags.

Extract always-on public/portal/UTM plus optional email_sms, directmail, blog, payments, social, and social_ai so new client sites can be bootstrapped from this seed.

Refs #1
Refs #2

Co-authored-by: Cursor <cursoragent@cursor.com>

site/contacts/apps.py

@@ -0,0 +1,17 @@
+from django.apps import AppConfig
+
+
+class ContactsConfig(AppConfig):
+    default_auto_field = "django.db.models.BigAutoField"
+    name = "contacts"
+
+    def ready(self):
+        from core.registry import register_portal_nav
+
+        register_portal_nav(
+            section="contacts",
+            label="Contacts",
+            url_name="contacts:list",
+            group="Outreach",
+            order=10,
+        )