Updated with code of conduct and FAQ

README.md

@@ -50,6 +50,8 @@ For guidance on importing your own Xcode project and other tips, see the [wiki](
 ## Contributions
 See our [contribution guidance in the wiki](https://github.com/Microsoft/WinObjC/wiki/How-to-Contribute) for details on how to contribute to the project.
 
+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.
+
 
 ## Privacy
 See [Microsoft's privacy statement](https://www.microsoft.com/en-us/privacystatement/default.aspx) for more information.