docs: update README.md [skip ci]

Author: allcontributors[bot]

README.md

@@ -1154,6 +1154,7 @@ We recognize all types of contributions. This project follows the [all-contribut
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       <td align="center" valign="top" width="16.66%"><a href="https://github.com/atmajaa"><img src="https://avatars.githubusercontent.com/u/69838867?v=4?s=64" width="64px;" alt="Atmaja P."/><br /><sub><b>Atmaja P.</b></sub></a><br /><a href="https://github.com/processing/p5.js/commits?author=atmajaa" title="Documentation">📖</a></td>
+      <td align="center" valign="top" width="16.66%"><a href="https://github.com/SonyaCode"><img src="https://avatars.githubusercontent.com/u/99513449?v=4?s=64" width="64px;" alt="SonyaCode"/><br /><sub><b>SonyaCode</b></sub></a><br /><a href="#a11y-SonyaCode" title="Accessibility">️️️️♿️</a> <a href="#blog-SonyaCode" title="Blogposts">📝</a> <a href="https://github.com/processing/p5.js/issues?q=author%3ASonyaCode" title="Bug reports">🐛</a> <a href="https://github.com/processing/p5.js/commits?author=SonyaCode" title="Code">💻</a> <a href="#design-SonyaCode" title="Design">🎨</a> <a href="https://github.com/processing/p5.js/commits?author=SonyaCode" title="Documentation">📖</a></td>
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