docs: update README.md [skip ci]

Author: allcontributors[bot]

README.md

@@ -1757,6 +1757,7 @@ 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/acceptacross"><img src="https://avatars.githubusercontent.com/u/150119116?v=4?s=100" width="100px;" alt="acceptacross"/><br /><sub><b>acceptacross</b></sub></a><br /><a href="https://github.com/ethereum/ethereum-org-website/commits?author=acceptacross" title="Documentation">📖</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/pdelagrave"><img src="https://avatars.githubusercontent.com/u/17990895?v=4?s=100" width="100px;" alt="Pierre Delagrave"/><br /><sub><b>Pierre Delagrave</b></sub></a><br /><a href="https://github.com/ethereum/ethereum-org-website/issues?q=author%3Apdelagrave" title="Bug reports">🐛</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://medium.com/@blainemalone01"><img src="https://avatars.githubusercontent.com/u/15608778?v=4?s=100" width="100px;" alt="Blaine Malone"/><br /><sub><b>Blaine Malone</b></sub></a><br /><a href="#content-blmalone" title="Content">🖋</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://dwyer.co.za"><img src="https://avatars.githubusercontent.com/u/2641205?v=4?s=100" width="100px;" alt="Gareth Dwyer"/><br /><sub><b>Gareth Dwyer</b></sub></a><br /><a href="#ideas-sixhobbits" title="Ideas, Planning, & Feedback">🤔</a></td>
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