Update src/pages/[platform]/build-a-backend/storage/list-files/index.mdx

Co-authored-by: josef <josef.aidt@gmail.com>

Author: haverchuck

src/pages/[platform]/build-a-backend/storage/list-files/index.mdx

@@ -131,7 +131,8 @@ photos/vacation/
 
 This can be accomplished with the `subpathStrategy` option:
 
-```js
+```ts title="src/main.ts"
+import { list } from "aws-amplify/storage";
 const result = await list({ 
   path: "photos/",
   options:{