torch.compile-functorch interaction: update docs (#108130)
Doc Preview: https://docs-preview.pytorch.org/pytorch/pytorch/108130/torch.compiler_faq.html#torch-func-works-with-torch-compile-for-grad-and-vmap-transforms
Will also cherry-pick this for release branch.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/108130
Approved by: https://github.com/zou3519
