Update CODE_OF_CONDUCT.md

Author: LiamPattinson

CODE_OF_CONDUCT.md

@@ -7,6 +7,8 @@ we pledge to follow the [University of Sheffield Research Software Engineering C
 
 Instances of abusive, harassing, or otherwise unacceptable behavior
 may be reported by following our [reporting guidelines][coc-reporting].
+Please contact the [course organiser](mailto:liam.pattinson@york.ac.uk)
+with any complaints.
 
 [coc-reporting]: https://rse.shef.ac.uk/community/code_of_conduct#enforcement-guidelines
 [coc]: https://rse.shef.ac.uk/community/code_of_conduct