docs: update README.md [skip ci]

README.md

@@ -1,4 +1,7 @@
 # Responsive Admin Panel or Dashboard - Flutter UI
+<!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
+[![All Contributors](https://img.shields.io/badge/all_contributors-1-orange.svg?style=flat-square)](#contributors-)
+<!-- ALL-CONTRIBUTORS-BADGE:END -->
 
 ## [Live Preview](https://abuanwar072.github.io/Flutter-Responsive-Admin-Panel-or-Dashboard/#/)
 
@@ -22,3 +25,23 @@ It works perfectly on the Web, macOS app, Tablet also on both Android and iOS ph
 ![Preview](/gif.gif)
 
 ![App UI](/ui.png)
+
+## Contributors ✨
+
+Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/docs/en/emoji-key)):
+
+<!-- ALL-CONTRIBUTORS-LIST:START - Do not remove or modify this section -->
+<!-- prettier-ignore-start -->
+<!-- markdownlint-disable -->
+<table>
+  <tr>
+    <td align="center"><a href="https://github.com/simon1tan"><img src="https://avatars.githubusercontent.com/u/1250858?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Simon Tan</b></sub></a><br /><a href="https://github.com/abuanwar072/Flutter-Responsive-Admin-Panel-or-Dashboard/issues?q=author%3Asimon1tan" title="Bug reports">🐛</a></td>
+  </tr>
+</table>
+
+<!-- markdownlint-restore -->
+<!-- prettier-ignore-end -->
+
+<!-- ALL-CONTRIBUTORS-LIST:END -->
+
+This project follows the [all-contributors](https://github.com/all-contributors/all-contributors) specification. Contributions of any kind welcome!