docs: update README.md

Author: allcontributors[bot]

README.md

@@ -324,6 +324,7 @@ Thanks goes to these people ([emoji key][emojis]):
     <td align="center"><a href="http://www.jacklaurence.net"><img src="https://avatars.githubusercontent.com/u/12763356?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Jack Laurence</b></sub></a><br /><a href="https://github.com/testing-library/dom-testing-library/commits?author=jacklaurencegaray" title="Code">💻</a></td>
     <td align="center"><a href="https://github.com/Lusito"><img src="https://avatars.githubusercontent.com/u/53570854?v=4?s=100" width="100px;" alt=""/><br /><sub><b>SantoJambit</b></sub></a><br /><a href="https://github.com/testing-library/dom-testing-library/commits?author=SantoJambit" title="Code">💻</a></td>
     <td align="center"><a href="https://github.com/mittalyashu"><img src="https://avatars.githubusercontent.com/u/29014463?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Yashu Mittal</b></sub></a><br /><a href="https://github.com/testing-library/dom-testing-library/commits?author=mittalyashu" title="Documentation">📖</a></td>
+    <td align="center"><a href="https://github.com/IanVS"><img src="https://avatars.githubusercontent.com/u/4616705?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Ian VanSchooten</b></sub></a><br /><a href="https://github.com/testing-library/dom-testing-library/commits?author=IanVS" title="Code">💻</a></td>
   </tr>
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