go into maintenance mode after v1.17

cpt-kuesel/archive (pre v1.17)/shows/admin.yml

@@ -0,0 +1,16 @@
+templates:
+  Admin:
+    label: Admin
+    visible_home: true
+    sort_title: zzz_<<collection_name>>
+
+collections:
+  Tonspuren kontrollieren:
+    template: {name: Admin}
+    smart_filter:
+      all:
+        audio_language.not: 
+          - en
+          - de
+          - fr
+      validate: false