docs: update README.md [skip ci]

Author: allcontributors[bot]

README.md

@@ -1896,6 +1896,9 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/sanjanaynvsdl"><img src="https://avatars.githubusercontent.com/u/142678317?v=4?s=100" width="100px;" alt="Sanjana"/><br /><sub><b>Sanjana</b></sub></a><br /><a href="https://github.com/ethereum/ethereum-org-website/issues?q=author%3Asanjanaynvsdl" title="Bug reports">🐛</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://www.zaryabs.com/"><img src="https://avatars.githubusercontent.com/u/42082608?v=4?s=100" width="100px;" alt="Zaryab"/><br /><sub><b>Zaryab</b></sub></a><br /><a href="#content-zaryab2000" title="Content">🖋</a></td>
     </tr>
+    <tr>
+      <td align="center" valign="top" width="14.28%"><a href="https://www.mtpelerin.com"><img src="https://avatars.githubusercontent.com/u/29145014?v=4?s=100" width="100px;" alt="Yann Gerardi"/><br /><sub><b>Yann Gerardi</b></sub></a><br /><a href="https://github.com/ethereum/ethereum-org-website/commits?author=yannggg" title="Code">💻</a></td>
+    </tr>
   </tbody>
 </table>