Add contacts.

Author: pilhuhn

CODE_OF_CONDUCT.md

@@ -32,7 +32,8 @@ This code of conduct applies both within project spaces and in public spaces
 when an individual is representing the project or its community.
 
 Instances of abusive, harassing, or otherwise unacceptable behavior may be reported by 
-contacting a Kiali project maintainer, TODO, and/or TODO.
+contacting a Kiali project maintainer, 
+Alissa Bonas <[email protected]>, Thomas Heute <[email protected]> and/or Heiko Rupp <[email protected]>.
 
 
 This Code of Conduct is adapted from the [CNCF Code of Conduct](https://github.com/cncf/foundation/blob/master/code-of-conduct.md) which is