added link to known issues in readme

Author: Eyal Schwartz

README.md

@@ -40,7 +40,9 @@ npm i -g @microsoft/botframework-cli
 To view detailed usage information see the [CLI ReadMe page](https://github.com/microsoft/botframework-cli/tree/master/packages/cli)
 
 ## Issues and Feature Requests
-Please file issues and feature requests [here](https://github.com/microsoft/botframework-cli/issues).
+Please file issues and feature requests [here](https://github.com/microsoft/botframework-cli/issues). 
+
+Also, see current [known issues](https://github.com/microsoft/botframework-cli/labels/known-issues).
 
 Thank you for your support.