feat: URL rules and the settings singleton

controllers/settings/config_form.yaml

@@ -0,0 +1,19 @@
+# ===================================
+#  Form Behavior Config
+# ===================================
+#
+# The SEO settings singleton (D-104), linked from the SEO settings tile.
+# The plugin's form extension adds one tab per content type after General.
+
+name: golem15.seo::lang.settings.label
+form: ~/plugins/golem15/seo/models/settings/fields.yaml
+modelClass: Golem15\SEO\Models\Settings
+defaultRedirect: system/settings
+
+update:
+    redirect: golem15/seo/settings
+    redirectClose: system/settings
+
+messages:
+    update: golem15.seo::lang.settings.label
+    saved: backend::lang.messages.form.saved