Ideas for a Footswitch for Scene GO - Theatre

Hi, i am currently looking into ideas to have a foot switch to us as a GO key for a GLD 80.

My first thought was to have a midi foot switch but there seems to be no Midi control for this function in the list.

Second thought is to use Qlab or the like and a USB footswitch but this would create more work.

Anyone have any insight into this?

Ben