[RPC Framework] Add a link to the tutorial in RemoteModule docstring (#57875)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/57875
This tutorial combines DDP and RemoteModule.
ghstack-source-id: 128482681
Test Plan: N/A
Reviewed By: rohan-varma
Differential Revision: D28305382
fbshipit-source-id: 572e1ec4b4aa00735fff16a6ce6ae4c7cad0b27f
