Qualcomm AI Engine Direct - File Structure Refactoring

[winskuo-quic]

Summary:

• Refactor the structure of example scripts based on different categories for models coming from AIHub, open source, or ExecuTorch itself.
• Updated README to help user better understanding the file structure and difference among different model categories.
• Added a new filed in CI for models coming from AIHub.

[pytorch-bot[bot]]

:link: Helpful Links

:test_tube: See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/executorch/4626

• :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.

:x: 2 New Failures

As of commit 9f74eaad2fce36ee8b79695ff5b631420b561d51 with merge base 99e1ae1f5a5e8f8ef81c2a36a492c053128b75fb ():

NEW FAILURES - The following jobs have failed:

• Android / test-llama-app (bpe) / mobile-job (android) (gh) Could not assume role with user credentials: User: arn:aws:sts::308535385114:assumed-role/gh-ci-github-action-runners-runner-role/i-0ad10fff845922e01 is not authorized to perform: sts:TagSession on resource: arn:aws:iam::308535385114:role/gha_workflow_mobile_job
• Apple / upload-frameworks-ios (gh) Credentials could not be loaded, please check your action inputs: Could not load credentials from any providers

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[winskuo-quic]

Hi @cccclai, This PR is used to update the current file structure and README. Please have a look on this PR. Just a friendly reminder, there is currently another PR by @chiwwang updating the documentation(https://github.com/pytorch/executorch/pull/4590) Either of us will rebase and resolve any conflict after one of them got merged. Thanks

[winskuo-quic]

Hi @cccclai, I have rebased to the mainline, with conflicts resolved. Please have a look. Thanks

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