changes to the documentation in support of quantization (#27603)
Summary:
this includes changes to
docs/source/conf.py
docs/source/index.rst
docs/source/nn.rst
docs/source/torch.rst
Pull Request resolved: https://github.com/pytorch/pytorch/pull/27603
Differential Revision: D17840343
Pulled By: gottbrath
fbshipit-source-id: 06bf3da6012b334e3246a6a2cad42358462e2630
