chore: add index to preview page

[ggazzo]

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[dionisio-bot]

Looks like this PR is ready to merge! 🎉
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[changeset-bot]

⚠️ No Changeset found

Latest commit: 7662cf7

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[github-actions]

PR Preview Action v1.4.7
🚀 Deployed preview to https://RocketChat.github.io/Rocket.Chat/pr-preview/pr-33261/
on branch gh-pages at 2024-09-11 20:36 UTC

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 59.73%. Comparing base (fa8ac7a) to head (7662cf7).
Report is 1 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop   #33261   +/-   ##
========================================
  Coverage    59.73%   59.73%           
========================================
  Files         2548     2548           
  Lines        63073    63073           
  Branches     14090    14090           
========================================
  Hits         37679    37679           
  Misses       22978    22978           
  Partials      2416     2416           

Flag	Coverage Δ
unit	76.95% <ø> (ø)

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[sampaiodiego]

is it better to call the file .github/workflows/ci-deploy-gh-pages.yml instead of .github/workflows/ci-preview-deploy.yml ?