Resubmit changes after rebase to master

[kct22aws]

What does this PR do?

This PR proposes to add a new section to TorchScript documentation "Deploying HuggingFace TorchScript models on AWS using the Neuron SDK".

Fixes # issue 14425

Before submitting

• This PR fixes a typo or improves the docs (you can dismiss the other checks if that's the case).
• Did you read the contributor guideline,
  Pull Request section?
• Was this discussed/approved via a Github issue or the forum? Please add a link
  to it if that's the case.
• Did you make sure to update the documentation with your changes? Here are the
  documentation guidelines, and
  here are tips on formatting docstrings.
• Did you write any new necessary tests?

Who can review?

@philschmid , @LysandreJik

[kct22aws]

@philschmid @LysandreJik I carried over all my work from the previous serialization.rst to serialization.mdx file per rebase to master. Looking forward to the approval and merge to master branch.

[kct22aws]

Hi @LysandreJik @philschmid please review this PR and let me know of any suggestions. Thank you.

[LysandreJik]

Looks good to me, thanks @kct22aws

@philschmid feel free to merge when you approve

[philschmid]

Thank you @kct22aws