docs: update readme.md [skip ci]

Author: allcontributors[bot]

readme.md

@@ -1967,6 +1967,7 @@ Thanks goes to these wonderful people who have contributed to this repository!
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     <td align="center"><a href="https://github.com/otavionetoca"><img src="https://avatars.githubusercontent.com/u/11263232?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Otavio Araujo</b></sub></a><br /><a href="https://github.com/goldbergyoni/javascript-testing-best-practices/commits?author=otavionetoca" title="Tests">⚠️</a> <a href="#content-otavionetoca" title="Content">🖋</a></td>
+    <td align="center"><a href="https://contributor.pw"><img src="https://avatars.githubusercontent.com/u/5027939?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Alex Ivanov</b></sub></a><br /><a href="#content-contributorpw" title="Content">🖋</a></td>
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