docs: update README.md

Author: allcontributors[bot]

README.md

@@ -99,6 +99,9 @@ This project exists thanks to the following contributors
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/adriagarp"><img src="https://avatars.githubusercontent.com/u/96059447?v=4?s=100" width="100px;" alt="Adrián García Pitarch"/><br /><sub><b>Adrián García Pitarch</b></sub></a><br /><a href="https://github.com/data-apis/array-api-extra/commits?author=adriagarp" title="Code">💻</a> <a href="https://github.com/data-apis/array-api-extra/commits?author=adriagarp" title="Tests">⚠️</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/cakedev0"><img src="https://avatars.githubusercontent.com/u/25986961?v=4?s=100" width="100px;" alt="Arthur Lacote"/><br /><sub><b>Arthur Lacote</b></sub></a><br /><a href="https://github.com/data-apis/array-api-extra/commits?author=cakedev0" title="Code">💻</a> <a href="https://github.com/data-apis/array-api-extra/commits?author=cakedev0" title="Documentation">📖</a> <a href="#ideas-cakedev0" title="Ideas, Planning, & Feedback">🤔</a> <a href="https://github.com/data-apis/array-api-extra/commits?author=cakedev0" title="Tests">⚠️</a></td>
     </tr>
+    <tr>
+      <td align="center" valign="top" width="14.28%"><a href="http://steppi.github.io"><img src="https://avatars.githubusercontent.com/u/1953382?v=4?s=100" width="100px;" alt="Albert Steppi"/><br /><sub><b>Albert Steppi</b></sub></a><br /><a href="https://github.com/data-apis/array-api-extra/commits?author=steppi" title="Code">💻</a> <a href="#ideas-steppi" title="Ideas, Planning, & Feedback">🤔</a> <a href="https://github.com/data-apis/array-api-extra/commits?author=steppi" title="Tests">⚠️</a></td>
+    </tr>
   </tbody>
 </table>