docs: update README.md [skip ci]

Author: allcontributors[bot]

README.md

@@ -1856,6 +1856,7 @@ 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/alex1092"><img src="https://avatars.githubusercontent.com/u/59183749?v=4?s=100" width="100px;" alt="Alex"/><br /><sub><b>Alex</b></sub></a><br /><a href="https://github.com/ethereum/ethereum-org-website/commits?author=alex1092" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/kyndrawynne"><img src="https://avatars.githubusercontent.com/u/108100622?v=4?s=100" width="100px;" alt="kyndrawynne"/><br /><sub><b>kyndrawynne</b></sub></a><br /><a href="https://github.com/ethereum/ethereum-org-website/issues?q=author%3Akyndrawynne" title="Bug reports">🐛</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/stolab"><img src="https://avatars.githubusercontent.com/u/144235139?v=4?s=100" width="100px;" alt="stolab"/><br /><sub><b>stolab</b></sub></a><br /><a href="#content-stolab" title="Content">🖋</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="http://www.jacobjelen.com"><img src="https://avatars.githubusercontent.com/u/6750124?v=4?s=100" width="100px;" alt="jacobjelen"/><br /><sub><b>jacobjelen</b></sub></a><br /><a href="https://github.com/ethereum/ethereum-org-website/issues?q=author%3Ajacobjelen" title="Bug reports">🐛</a></td>
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