docs: update README.md

Author: allcontributors[bot]

README.md

@@ -241,6 +241,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
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     <td align="center"><a href="https://tkachuk.tech"><img src="https://avatars1.githubusercontent.com/u/1907079?v=4" width="100px;" alt="Dave"/><br /><sub><b>Dave</b></sub></a><br /><a href="#ideas-DavidRockin" title="Ideas, Planning, & Feedback">🤔</a></td>
+    <td align="center"><a href="http://linkedin.dv8tion.net"><img src="https://avatars1.githubusercontent.com/u/1479909?v=4" width="100px;" alt="Austin Keener"/><br /><sub><b>Austin Keener</b></sub></a><br /><a href="#plugin-DV8FromTheWorld" title="Plugin/utility libraries">🔌</a></td>
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