Added 'Created by...' line in integration list

webapp/sass/routes/_backstage.scss

@@ -196,6 +196,11 @@
         margin-bottom: 1em;
     }
 
+    .item-details__creation {
+        color: $dark-gray;
+        margin-bottom: 1em;
+    }
+
     .list-item__actions {
         flex-grow: 0;
         flex-shrink: 0;