Add univention external ldap provider to selection

src/views/users.js

@@ -12,6 +12,7 @@ angular.module('Application').controller('UsersController', ['$scope', '$locatio
         { name: 'Active Directory', value: 'ad' },
         { name: 'Jumpcloud', value: 'jumpcloud' },
         { name: 'Okta', value: 'okta' },
+        { name: 'Univention', value: 'univention' },
         { name: 'Other', value: 'other' },
         { name: 'Disabled', value: 'noop' }
     ];