Resolve "Add tgcrud reindex secret to crud config"

Closes #14 (closed)

manifests/services/crud.pp

@@ -51,6 +51,7 @@ class dhrep::services::crud (
   $log_config_file              = 'crud.log4j2.xml',
   $image_name                   = 'dariah-de/dariah-de-crud-services',
   $image_tag                    = 'latest',
+  $reindex_secret               = undef,
 ) inherits dhrep::params {
 
   $_name      = $::dhrep::params::crud_name[$scope]