README auto update [skip ci]

Author: DevExpressExampleBot

readme.md

@@ -2,6 +2,7 @@
 ![](https://img.shields.io/endpoint?url=https://codecentral.devexpress.com/api/v1/VersionRange/400503150/21.2.1%2B)
 [![](https://img.shields.io/badge/Open_in_DevExpress_Support_Center-FF7200?style=flat-square&logo=DevExpress&logoColor=white)](https://supportcenter.devexpress.com/ticket/details/T1032999)
 [![](https://img.shields.io/badge/📖_How_to_use_DevExpress_Examples-e9f6fc?style=flat-square)](https://docs.devexpress.com/GeneralInformation/403183)
+[![](https://img.shields.io/badge/💬_Leave_Feedback-feecdd?style=flat-square)](#does-this-example-address-your-development-requirementsobjectives)
 <!-- default badges end -->
 # Dashboard for ASP.NET Core - Custom Item Gallery
 
@@ -134,3 +135,10 @@ These extensions are distributed under the **MIT** license (free and open-source
 - [Dashboard for React - Custom Item Tutorials](https://github.com/DevExpress-Examples/dashboard-react-app-custom-item-tutorials)
 - [Dashboard for ASP.NET Core - Custom Item Tutorials](https://github.com/DevExpress-Examples/asp-net-core-dashboard-custom-item-tutorials)
 - [Dashboard for WinForms - Custom Item Extensions](https://github.com/DevExpress-Examples/winforms-dashboard-custom-items-extension)
+<!-- feedback -->
+## Does this example address your development requirements/objectives?
+
+[<img src="https://www.devexpress.com/support/examples/i/yes-button.svg"/>](https://www.devexpress.com/support/examples/survey.xml?utm_source=github&utm_campaign=asp-net-core-dashboard-custom-item-gallery&~~~was_helpful=yes) [<img src="https://www.devexpress.com/support/examples/i/no-button.svg"/>](https://www.devexpress.com/support/examples/survey.xml?utm_source=github&utm_campaign=asp-net-core-dashboard-custom-item-gallery&~~~was_helpful=no)
+
+(you will be redirected to DevExpress.com to submit your response)
+<!-- feedback end -->