Add MDSpaceTypesSet and MDSpaceAccessStatusSet

src/MDSourceTypeSet.php

@@ -1,13 +1,13 @@
 <?PHP
 /**
- * Contains a class of available licenses.
+ * Contains a class of available source types.
  *
  * @author Joshua Ramon Enslin <joshua@museum-digital.de>
  */
 declare(strict_types = 1);
 
 /**
- * Class containing static functions for getting available licenses on md.
+ * Class containing static functions for getting available source types on md.
  */
 final class MDSourceTypeSet extends MDValueSet {