Add feature : Add tcd scheduler

[atxoxx]

Hello, here's an exemple code on how to add tcd scheduler

I made a mistake to this ocmmit "Add tcd scheduler as exemple to sampler full" don't pay attention to it

Also I'm not a dev so maybe I made some mistakes Don't merge this as it isn't fully integratred to all node

I only added to "easyKsamplerFull" node, but it should work on other one

[yolain]

It doesn't get good results, although it is faster than lighting. I don't think it's too necessary to merge it into easyuse, you can use the preSamplingCustom node and connect the tcd's nodes to optional_sampler and optional_sigmas