docs: update contributors [skip ci]

Author: github-actions[bot]

README.md

@@ -115,6 +115,9 @@ Looking for something to work on? Check out [good first issues](https://github.c
 ## 👥 Contributors
 
 <!-- readme: contributors -start -->
+<p align="left">
+<a href="https://github.com/CalvinAllen"><img src="https://avatars.githubusercontent.com/u/41448698?v=4" width="64" height="64" alt="CalvinAllen"/></a>
+</p>
 <!-- readme: contributors -end -->
 
 ## 📄 License