Add "Select Random Game" to Big Box

[vaderag]

Launchbox has the "Select Random Game" option under Tools -> Select Random GameAssuming there is some way to add this as a menu item in Big Box, but darned if i can find it!
I am currently using the wheel spin action to try and handle this, but it's really ineffective as in mame I can be holding it for 30 seconds and still not leave letter S...

 

Thanks