Added USB tutorial script

[Hhhhhhao]

Fixes #2670

Description

Added USB tutorial script

Checklist

• The issue that is being fixed is referred in the description (see above "Fixes #ISSUE_NUMBER")
• Only one issue is addressed in this pull request
• Labels from the issue that this PR is fixing are added to this pull request
• No unnecessary issues are included into this pull request.

cc @datumbox @nairbv @fmassa @NicolasHug @YosuaMichael @sekyondaMeta @svekars @carljparker @kit1980 @subramen

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/tutorials/2676

• 📄 Preview Python docs built from this PR

Note: Links to docs will display an error until the docs builds have been completed.

✅ You can merge normally! (1 Unrelated Failure)

As of commit 2151259 with merge base 37462ab ():

FLAKY - The following job failed but was likely due to flakiness present on trunk:

• Check spelling / pyspelling (gh)

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[Hhhhhhao]

I fixed some typos from the grammar check.
But some other words are not typos but algorithm names.

[carljparker]

Add @NicolasHug as reviewer, in addition to @subramen

[subramen]

Once the suggestions are addressed, good to go from me! Thanks @Hhhhhhao for submitting this tutorial :)

[subramen]

Please replace all occurrences of "Pytorch" with "PyTorch"

[subramen]

Please include a few sentences about how USB uses PyTorch under the hood. This will increase confidence for PyTorch users to try out USB

[Hhhhhhao]

Thanks for the review!

I have fixed the corresponding places.

[subramen]

Include this tutorial in the index.rst file

Example: 16e4f2a#diff-54a294a5d016e1a8e98bc95668ed84a99a9edd5c10394d9a2b1ee848006e98a7

[Hhhhhhao]

Include this tutorial in the index.rst file

Example: 16e4f2a#diff-54a294a5d016e1a8e98bc95668ed84a99a9edd5c10394d9a2b1ee848006e98a7

Added USB to index file

[svekars]

Execution time of this tutorial is 142 minutes - https://pytorch.org/tutorials/advanced/usb_semisup_learn.html.

[Hhhhhhao]

Hi, I found the image is not compiled well. Also the reference is messed up. Can I make a few changes regarding these issues?