Add point of contact for the AUR

Signed-off-by: Christian Heusel <christian@heusel.eu>

content/docs/code-of-conduct.md

@@ -231,6 +231,9 @@ abusive behaviour, there are a number of ways you can ask for assistance or redr
   https://wiki.archlinux.org/title/ArchWiki:Maintenance_Team).
 - For the IRC channels: contact [one of the ops](
   https://wiki.archlinux.org/title/Arch_IRC_channels#Channel_operators).
+- For the Arch User Repository: contact [one of the Package Maintainers](
+  https://archlinux.org/people/package-maintainers/) or write an email to
+  [aur-general@lists.archlinux.org](mailto:aur-general@lists.archlinux.org).
 
 ## Further reading