Add-on Automatically Move Closed Threads to Last Page

[imno007]

I'd be interested in seeing an addon that would automatically move a closed thread to the last page of a board/forum. Helpful in certain situations, say, with support questions that have been answered. Had a mod that did exactly this for my old platform, smf, and find I'm missing it. Would appreciate it if anyone out there with the know-how was willing to tackle it.