[easy] Creating a torchchat folder for moving root directories

[Jack-Khuu]

Introduces a torchchat top-level folder for us to move the current root directories into

[pytorch-bot]

🔗 Helpful Links

🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/torchchat/1028

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❌ 1 New Failure, 4 Unrelated Failures

As of commit 7de4d37 with merge base 3ce1cef ():

NEW FAILURE - The following job has failed:

• pull / test-gpu-eval-sanity-check (cuda, stories15M) / linux-job (gh)
  RuntimeError: Command docker exec -t 2e064a624b907c6d06d500b42fcdf3abdbdab0424fa25f33e09a26379ebad893 /exec failed with exit code 1

BROKEN TRUNK - The following jobs failed but were present on the merge base:

👉 Rebase onto the `viable/strict` branch to avoid these failures

• pull / test-cpu-eval-sanity-check (aarch64, stories15M) (gh) (trunk failure)
  TypeError: Invalid NaN comparison
• pull / test-cpu-eval-sanity-check (x86_64, stories15M) (gh) (trunk failure)
  TypeError: Invalid NaN comparison
• pull / test-cpu-eval-sanity-check-float32 (aarch64, stories15M) (gh) (trunk failure)
  TypeError: Invalid NaN comparison
• pull / test-cpu-eval-sanity-check-float32 (x86_64, stories15M) (gh) (trunk failure)
  TypeError: Invalid NaN comparison

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