Add system_user

source/opensource.html.twig

@@ -83,6 +83,11 @@ projects:
           url: https://www.drupal.org/project/speakerdeck_field
           versions: [8]
 
+        - name: System User
+          description: Adds the ability to identify and retrieve system users.
+          url: https://www.drupal.org/project/system_user
+          versions: [7, 8]
+
         - name: Toggle Optional Fields
           description: Creates a simplified node form by allowing for the hiding and toggling of optional fields.
           url: https://www.drupal.org/project/toggle_optional_fields