docs: update README.md [skip ci]

Author: allcontributors[bot]

README.md

@@ -1845,6 +1845,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
       <td align="center" valign="top" width="14.28%"><a href="https://abhayporwals.live/"><img src="https://avatars.githubusercontent.com/u/76243309?v=4?s=100" width="100px;" alt="Abhay Gupta "/><br /><sub><b>Abhay Gupta </b></sub></a><br /><a href="#content-professorabhay" title="Content">🖋</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/somethingstup"><img src="https://avatars.githubusercontent.com/u/166286712?v=4?s=100" width="100px;" alt="somethingstup"/><br /><sub><b>somethingstup</b></sub></a><br /><a href="https://github.com/ethereum/ethereum-org-website/commits?author=somethingstup" title="Documentation">📖</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/woxjro"><img src="https://avatars.githubusercontent.com/u/63214188?v=4?s=100" width="100px;" alt="woxjro"/><br /><sub><b>woxjro</b></sub></a><br /><a href="#tool-woxjro" title="Tools">🔧</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/SeanXLChen"><img src="https://avatars.githubusercontent.com/u/78134555?v=4?s=100" width="100px;" alt="bambooskySean"/><br /><sub><b>bambooskySean</b></sub></a><br /><a href="https://github.com/ethereum/ethereum-org-website/commits?author=SeanXLChen" title="Code">💻</a></td>
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