chore: CCIE-4984 conform to open sourcing guidelines (#798)

Author: wontonst

README.md

@@ -56,3 +56,9 @@ Feedback and contributions to miniwdl are welcome, via issues and pull requests
 ## Security
 
 Please disclose security issues responsibly by contacting security@chanzuckerberg.com.
+
+## Code of Conduct
+
+This project adheres to the Contributor Covenant [code of conduct](https://github.com/chanzuckerberg/.github/blob/master/CODE_OF_CONDUCT.md).
+By participating, you are expected to uphold this code. 
+Please report unacceptable behavior to [opensource@chanzuckerberg.com](mailto:opensource@chanzuckerberg.com).