docs: update README.md [skip ci]

Author: allcontributors[bot]

README.md

@@ -308,6 +308,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
     <td align="center"><a href="https://wellyshen.com"><img src="https://avatars1.githubusercontent.com/u/21308003?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Welly</b></sub></a><br /><a href="https://github.com/wellyshen/react-cool-dimensions/commits?author=wellyshen" title="Code">💻</a> <a href="https://github.com/wellyshen/react-cool-dimensions/commits?author=wellyshen" title="Documentation">📖</a> <a href="#maintenance-wellyshen" title="Maintenance">🚧</a></td>
     <td align="center"><a href="http://www.runarkristoffersen.com"><img src="https://avatars.githubusercontent.com/u/5629981?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Runar Kristoffersen</b></sub></a><br /><a href="https://github.com/wellyshen/react-cool-dimensions/commits?author=runar-rkmedia" title="Documentation">📖</a> <a href="https://github.com/wellyshen/react-cool-dimensions/commits?author=runar-rkmedia" title="Code">💻</a> <a href="#ideas-runar-rkmedia" title="Ideas, Planning, & Feedback">🤔</a></td>
     <td align="center"><a href="https://ricardoamaral.net"><img src="https://avatars.githubusercontent.com/u/96476?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Ricardo Amaral</b></sub></a><br /><a href="https://github.com/wellyshen/react-cool-dimensions/commits?author=rfgamaral" title="Code">💻</a></td>
+    <td align="center"><a href="https://github.com/cornelius-behrend"><img src="https://avatars.githubusercontent.com/u/77003328?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Cornelius</b></sub></a><br /><a href="https://github.com/wellyshen/react-cool-dimensions/issues?q=author%3Acornelius-behrend" title="Bug reports">🐛</a></td>
   </tr>
 </table>