Update README.md

Author: ajay-dhangar

README.md

@@ -44,4 +44,6 @@ This project is licensed under the [MIT License](LICENSE).
 
 ## Contributors
 
-<img src="https://opencollective.com/codeharborhub/contributors.svg?button=false" />
+<a href="https://github.com/codeharborhub/codeharborhub/graphs/contributors">
+  <img src="https://contrib.rocks/image?repo=codeharborhub/codeharborhub" />
+</a>