Update Compiled Autograd tutorial with images

[xmfan]

Fixes #3107

Description

I'm replacing the long string errors with annotated images, with some minor additions:
e.g.

Before

After

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.

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/tutorials/3108

• 📄 Preview Python docs built from this PR

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

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✅ No Failures

As of commit 1d69204 with merge base 0c5e2c6 ():
💚 Looks good so far! There are no failures yet. 💚

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[albanD]

That is amazing! Thanks for taking the time to do these improvements!

[svekars]

Minor nits, otherwise looks good - let's wait for the preview to check.

[xmfan]

Seems to have rendered correctly: https://docs-preview.pytorch.org/pytorch/tutorials/3108/intermediate/compiled_autograd_tutorial.html

I'll apply the suggestions