docs: add contributors section

README.md

@@ -172,3 +172,11 @@ This project and everyone participating in it are governed by the [Code of Condu
 ## Legal notice
 
 All content in these repositories including code has been provided by IBM under the associated open source software license and IBM is under no obligation to provide enhancements, updates, or support. IBM developers produced this code as an open source project (not as an IBM product), and IBM makes no assertions as to the level of quality nor security, and will not be maintaining this code going forward.
+
+## Contributors
+
+Special thanks to our contributors for helping us improve Bee Agent Framework.
+
+<a href="https://github.com/i-am-bee/bee-agent-framework/graphs/contributors">
+  <img src="https://contrib.rocks/image?repo=i-am-bee/bee-agent-framework" />
+</a>