docs: update README.md [skip ci]

README.md

@@ -6,7 +6,7 @@
 </div>
 
 <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
-[![All Contributors](https://img.shields.io/badge/all_contributors-20-orange.svg?style=flat-square)](#contributors-)
+[![All Contributors](https://img.shields.io/badge/all_contributors-21-orange.svg?style=flat-square)](#contributors-)
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
 ![Continuous Integration](https://github.com/ARM-software/acle/actions/workflows/ci.yml/badge.svg)
 
@@ -116,6 +116,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
     <td align="center"><a href="https://github.com/rearnsha"><img src="https://avatars.githubusercontent.com/u/57798236?v=4?s=100" width="100px;" alt=""/><br /><sub><b>rearnsha</b></sub></a><br /><a href="https://github.com/ARM-software/acle/pulls?q=is%3Apr+reviewed-by%3Arearnsha" title="Reviewed Pull Requests">👀</a></td>
     <td align="center"><a href="https://davidben.net"><img src="https://avatars.githubusercontent.com/u/109690?v=4?s=100" width="100px;" alt=""/><br /><sub><b>David Benjamin</b></sub></a><br /><a href="https://github.com/ARM-software/acle/issues?q=author%3Adavidben" title="Bug reports">🐛</a> <a href="https://github.com/ARM-software/acle/pulls?q=is%3Apr+reviewed-by%3Adavidben" title="Reviewed Pull Requests">👀</a></td>
     <td align="center"><a href="https://github.com/DanielKristofKiss"><img src="https://avatars.githubusercontent.com/u/4526629?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Dani</b></sub></a><br /><a href="https://github.com/ARM-software/acle/commits?author=DanielKristofKiss" title="Code">💻</a></td>
+    <td align="center"><a href="https://github.com/stuij"><img src="https://avatars.githubusercontent.com/u/192309?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Ties Stuij</b></sub></a><br /><a href="https://github.com/ARM-software/acle/pulls?q=is%3Apr+reviewed-by%3Astuij" title="Reviewed Pull Requests">👀</a></td>
   </tr>
 </table>