docs: update README.md [skip ci]

Author: allcontributors[bot]

README.md

@@ -450,6 +450,9 @@ Thanks goes to these wonderful people
       <td align="center"><a href="https://github.com/brentguf"><img src="https://avatars.githubusercontent.com/u/16427929?v=4?s=100" width="100px;" alt="Brent Guffens"/><br /><sub><b>Brent Guffens</b></sub></a><br /><a href="https://github.com/testing-library/testing-library-docs/commits?author=brentguf" title="Documentation">📖</a></td>
       <td align="center"><a href="https://github.com/estebanfelipep"><img src="https://avatars.githubusercontent.com/u/15718690?v=4?s=100" width="100px;" alt="Esteban"/><br /><sub><b>Esteban</b></sub></a><br /><a href="https://github.com/testing-library/testing-library-docs/commits?author=estebanfelipep" title="Documentation">📖</a></td>
     </tr>
+    <tr>
+      <td align="center"><a href="https://github.com/tiborbarsi"><img src="https://avatars.githubusercontent.com/u/21023594?v=4?s=100" width="100px;" alt="Tibor Barsi"/><br /><sub><b>Tibor Barsi</b></sub></a><br /><a href="https://github.com/testing-library/testing-library-docs/commits?author=tiborbarsi" title="Documentation">📖</a></td>
+    </tr>
   </tbody>
 </table>