Include website origin in tracker policy title

An organization can run several websites, each with its own banner and
generated policy. Add the banner origin to the document title and the
rendered heading so the policies are distinguishable in document lists
and the trust center.

Signed-off-by: Émile Ré <emile@probo.com>

pkg/probo/templates/tracker_policy.md.tmpl

@@ -1,4 +1,4 @@
-# Cookie and Tracking Technologies Policy
+# Cookie and Tracking Technologies Policy for {{ .WebsiteOrigin }}
 
 _Last updated: {{ formatDate .GeneratedAt }}_
 

pkg/probo/tracker_policy_document.go

@@ -155,7 +155,7 @@ func (s *GeneratedDocumentService) PublishTrackerPolicy(
 				ID:             documentVersionID,
 				OrganizationID: banner.OrganizationID,
 				DocumentID:     document.ID,
-				Title:          "Cookie and Tracking Technologies Policy",
+				Title:          fmt.Sprintf("Cookie and Tracking Technologies Policy — %s", banner.Origin),
 				Content:        prosemirrorJSON,
 				Classification: coredata.DocumentClassificationPublic,
 				DocumentType:   coredata.DocumentTypePolicy,