try to add disksize to template list

app/UI/CustomTemplate/Pages/CustomTemplateDataTable.php

@@ -69,7 +69,8 @@ class CustomTemplateDataTable extends DataTable implements ClientArea
     protected function loadHtml()
     {
         $this->addColumn((new Column('name')))
-            ->addColumn((new Column('description')));
+            ->addColumn((new Column('description')))
+            ->addColumn((new Column('disksize')));
     }
 
     public function replaceFieldDescription($key, $row)