Add namespace for Illuminate\Http\Request (#9079)

Author: faisuc

eloquent-resources.md

@@ -282,6 +282,7 @@ However, if you need to customize the meta data returned with the collection, it
 
     namespace App\Http\Resources;
 
+    use Illuminate\Http\Request;
     use Illuminate\Http\Resources\Json\ResourceCollection;
 
     class UserCollection extends ResourceCollection