Adopt MS OSS Code of Conduct

README.md

@@ -57,4 +57,8 @@ This is the output of ETW2JSON for a single event record of type ``CLRTrace/CLR
       }
    ]
 }
-```
+```
+
+## Microsoft Open Source Code of Conduct
+
+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.