Approval.

cs/syndication_repos.php

@@ -0,0 +1,8 @@
+<?PHP
+declare(strict_types = 1);
+$syndication_repos = array (
+  'ddb' => 'German Digital Library (DDB)',
+  'europeana' => 'Europeana',
+  'smb-digital' => 'SMB-digital',
+  'kalliope-verbund' => 'Kalliope Verbund',
+);