add "licenses" PDM redirect

Author: TimidRobot

config/web-sites-available/000-default.conf

@@ -59,6 +59,7 @@ ServerName localhost:8080
         RewriteRule (.*/rdf$) $1 [T=application/rdf+xml]
     </Directory>
     Include /var/www/git/cc-legal-tools-data/config/language-redirects
+    RedirectPermanent  /licenses/mark/1.0  /publicdomain/mark/1.0
 
     ###########################################################################
     # Chooser