Add hotkeys for time range start and stop

[tom95521]

Many video editors allow you to cut or trim video when adding to the timeline. The start cut is "i" for in and the end cut is "o" for out. It would be much easier to select an object (or objects), scrub to a location on the timeline you want the object visible, press the i to mark the input time range, scrub to the location you want the object to become invisible, and press the o key. This would save time on layer switching using manual z-buffer hidden object removal.

https://en.wikipedia.org/wiki/Hidden-surface_determination

It might be listed here but could not find.

https://docs.pteavstudio.com/en-us/10.0/hotkeys/main?s[]=shortcuts#objects_and_animation

Thanks,
Tom