Audit and update the pip package metadata

[dbort]

Stack from ghstack (oldest at bottom):

• 3477

• -> #3476

• 3475

• 3474

• 3473

• 3472

• 3471

• 3470

• 3469

• 3468

• 3467

• 3466

Fill out the recommended project keys, most of which will affect the web page that PyPI will render for the executorch package.

See https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#about-your-project for the latest guidance.

Use https://github.com/pytorch/pytorch/blob/a21327e0b03cc18850a0608be2d9c5bd38fd4646/setup.py#L1394 as a guide for the actual values.

Add a README-wheel.md file that will be included in the wheel, and will become the main page contents on PyPI.

Test Plan:

• Installed the package with ./install_requirements.sh
• Looked at the files under ~/miniconda3/envs/executorch/lib/python3.10/site-packages/executorch-0.2.0a0+1a499e0.dist-info. METADATA and LICENSE both contain the new metadata.

Differential Revision: D56857482

[pytorch-bot[bot]]

:link: Helpful Links

:test_tube: See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/3476

• :page_facing_up: Preview Python docs built from this PR

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

:white_check_mark: No Failures

As of commit 529fa67b6b076dfbf0769b71d34510edb3d21570 with merge base 5d2a17b29f57ab77f0481ca1d96d827e610dc4bf (): :green_heart: Looks good so far! There are no failures yet. :green_heart:

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[dbort]

@dbort has imported this pull request. If you are a Meta employee, you can view this diff on Phabricator.

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@dbort merged this pull request in pytorch/executorch@4740013245888283bc75c6eeac7d401feb8c5f01.