docs: update readme.md [skip ci]

Author: allcontributors[bot]

readme.md

@@ -1958,6 +1958,7 @@ Thanks goes to these wonderful people who have contributed to this repository!
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     <td align="center"><a href="https://github.com/MorganGeek"><img src="https://avatars0.githubusercontent.com/u/3721240?v=4" width="100px;" alt=""/><br /><sub><b>Morgan</b></sub></a><br /><a href="#content-MorganGeek" title="Content">🖋</a></td>
     <td align="center"><a href="https://luk4s.dev"><img src="https://avatars0.githubusercontent.com/u/8350985?v=4" width="100px;" alt=""/><br /><sub><b>Lukas Bischof</b></sub></a><br /><a href="https://github.com/goldbergyoni/javascript-testing-best-practices/commits?author=lukasbischof" title="Tests">⚠️</a> <a href="#content-lukasbischof" title="Content">🖋</a></td>
+    <td align="center"><a href="https://juanmaruiz.surge.sh"><img src="https://avatars2.githubusercontent.com/u/1837650?v=4" width="100px;" alt=""/><br /><sub><b>JuanMa Ruiz</b></sub></a><br /><a href="#content-JuanMaRuiz" title="Content">🖋</a></td>
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