It has that feature by default. It's controlled by Usergroup permissions. Once installed, you will need to go into each of the usergroups you want to be able to use QuickClip, and set "Can Use QuickClip" to "Yes"
See the last section of
install.html for more details
Edit: Sorry, did you mean add the moderation thing? If so, then I've no plans to add something like that to this hack at this time