ISTWCMS-4045 Add rabbit hole module

composer.json

@@ -97,6 +97,7 @@
         "drupal/readmehelp": "1.0-beta4",
         "drupal/require_on_publish": "1.2",
         "drupal/responsive_menu_combined": "dev-8.x-1.x",
+        "drupal/rabbit_hole": "1.0-beta7",
         "drupal/role_expire": "1.7",
         "drupal/samlauth": "dev-3.0-alpha1-uw_wcms3",
         "drupal/search_kint": "1.0-patch.1",