[reland] Document debugability features in torch.distributed (#59726)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/59726
Reland of https://github.com/pytorch/pytorch/pull/59604 with indentation fix
ghstack-source-id: 130979356
Test Plan: ci
Reviewed By: SciPioneer
Differential Revision: D29001923
fbshipit-source-id: 225d9dc5054c223b453f3b39749e2b62f61b9a2c