Modules note v2 (#63963)

Modules note v2 (#63963)

Summary:
This PR expands the [note on modules](https://pytorch.org/docs/stable/notes/modules.html) with additional info for 1.10.

It adds the following:
* Examples of using hooks
* Examples of using apply()
* Examples for ParameterList / ParameterDict
* register_parameter() / register_buffer() usage
* Discussion of train() / eval() modes
* Distributed training overview / links
* TorchScript overview / links
* Quantization overview / links
* FX overview / links
* Parametrization overview / link to tutorial

Pull Request resolved: https://github.com/pytorch/pytorch/pull/63963

Reviewed By: albanD

Differential Revision: D30606604

Pulled By: jbschlosser

fbshipit-source-id: c1030b19162bcb5fe7364bcdc981a2eb6d6e89b4