Ship College Craft public site and point CI deploys at college_craft.

Replaces template branding with College Craft pages, assets, and copy, and
matches Gitea deploy workflows to the server-infra catalog name and master
branch so beta deploys actually run.

Closes #1

site/public/notifications.py

@@ -13,7 +13,7 @@ from public.email_branding import email_brand_context
 logger = logging.getLogger(__name__)
 
 
-def notify_admins_of_contact_form(lead: Lead) -> bool:
+def notify_admins_of_contact_form(lead: Lead, *, subject_prefix: str | None = None) -> bool:
     """
     Email CONTACT_EMAIL when someone submits the public contact form.
 
@@ -62,8 +62,9 @@ def notify_admins_of_contact_form(lead: Lead) -> bool:
     text_content = get_template("emails/contact_email.txt").render(ctx)
     html_content = get_template("emails/contact_email.html").render(ctx)
 
+    prefix = subject_prefix or "New contact form inquiry"
     mail = EmailMultiAlternatives(
-        subject=f"New contact form inquiry from {name}",
+        subject=f"{prefix} from {name}",
         body=text_content,
         from_email=settings.DEFAULT_FROM_EMAIL,
         to=[to_email],