[doc] Add pin_memory and layout to new_{zeros, ones, full} (#85605)
Fixes #84986
Besides adding `pin_memory` and `layout`, I have also updated the signature to reflect keyword only arguments.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/85605
Approved by: https://github.com/lezcano, https://github.com/SherlockNoMad
