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/payments/public_urls.py

@@ -0,0 +1,11 @@
+from django.urls import path
+
+from payments import views
+
+app_name = "payments_public"
+
+urlpatterns = [
+    path("<uuid:pk>/", views.pay_invoice, name="pay"),
+    path("<uuid:pk>/success/", views.pay_success, name="pay_success"),
+    path("<uuid:pk>/cancel/", views.pay_cancel, name="pay_cancel"),
+]