docs: update README.md [skip ci]

Author: allcontributors[bot]

README.md

@@ -1716,6 +1716,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
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       <td align="center" valign="top" width="14.28%"><a href="http://lucasamberg.dev"><img src="https://avatars.githubusercontent.com/u/102396588?v=4?s=100" width="100px;" alt="Lucas Amberg"/><br /><sub><b>Lucas Amberg</b></sub></a><br /><a href="https://github.com/ethereum/ethereum-org-website/commits?author=lucas-amberg" title="Documentation">📖</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://a-hagi.dev/"><img src="https://avatars.githubusercontent.com/u/92589940?v=4?s=100" width="100px;" alt="Abdullahi"/><br /><sub><b>Abdullahi</b></sub></a><br /><a href="https://github.com/ethereum/ethereum-org-website/issues?q=author%3Aa-hagi613" title="Bug reports">🐛</a></td>
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