Added tutorials for Holistic Trace Analysis

[anupambhatnagar]

Fixes 2724

Description

• Added two tutorials for HTA
  • Introduction to HTA
  • TraceDiff using HTA
• Created a left panel entry called "Profiling PyTorch" which now contains the introductory beginner/profiler and the two HTA tutorials. The left panel entry will allow users to find tutorials related to profiling easily. See attached image.

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/2723

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✅ No Failures

As of commit 65d7154 with merge base 0fe2a10 ():
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[aaronenyeshi]

this looks like a temp change not meant to land

[anupambhatnagar]

yup, fixing it.

[aaronenyeshi]

Overall looks great!

[malfet]

LGTM, not sure if beginner folder is the right one for it, as other profiling tutorials are in the intermediate, aren't they?

[anupambhatnagar]

LGTM, not sure if beginner folder is the right one for it, as other profiling tutorials are in the intermediate, aren't they?

There are two tutorials tagged with profiling. One of them is in beginner and the other one is in intermediate. These are introductory HTA tutorials so I placed them in the beginners folder.