docs(legacy-stack): add deprecation warning

[sungik-choi]

Self Checklist

• I wrote a PR title in English and added an appropriate label to the PR.
• I wrote the commit message in English and to follow the Conventional Commits specification.
• I added the changeset about the changes that needed to be released. (or didn't have to)
• I wrote or updated documentation related to the changes. (or didn't have to)
• I wrote or updated tests related to the changes. (or didn't have to)
• I tested the changes in various browsers. (or didn't have to)
  • Windows: Chrome, Edge, (Optional) Firefox
  • macOS: Chrome, Edge, Safari, (Optional) Firefox

Summary

Add deprecation warning to LegacyStack storybook docs

Details

스토리북 문서에 사용 금지 경고 문구를 추가합니다.

Breaking change? (Yes/No)

No

References

• https://storybook.js.org/docs/writing-docs/mdx#linking-to-other-stories-and-pages

[changeset-bot]

⚠️ No Changeset found

Latest commit: 977af9d

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

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[github-actions]

Chromatic Report

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 87.50%. Comparing base (9802f9c) to head (977af9d).
Report is 1 commits behind head on alpha.

Additional details and impacted files

@@           Coverage Diff           @@
##            alpha    #2095   +/-   ##
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  Coverage   87.50%   87.50%           
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  Files         126      126           
  Lines        2544     2544           
  Branches      785      785           
=======================================
  Hits         2226     2226           
  Misses        312      312           
  Partials        6        6           

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