Merge branch 'main' into update-tutorial

README.md

@@ -154,3 +154,9 @@ provided by the bot. You will only need to do this once across all repos using o
 This project has adopted the [Microsoft Open Source Code of Conduct](https://opensource.microsoft.com/codeofconduct/).
 For more information see the [Code of Conduct FAQ](https://opensource.microsoft.com/codeofconduct/faq/) or
 contact [opencode@microsoft.com](mailto:opencode@microsoft.com) with any additional questions or comments.
+
+## Contributors Wall
+
+<a href="https://github.com/microsoft/flaml/graphs/contributors">
+ <img src="https://contrib.rocks/image?repo=microsoft/flaml&max=204" />
+</a>