Implement AlphaCenter component

[sungik-choi]

Self Checklist

• I wrote a PR title in English.
• I added an appropriate label to the PR.
• I wrote a commit message in English.
• I wrote a commit message according to the Conventional Commits specification.
• I added the appropriate changeset for the changes.
• [Component] I wrote a unit test about the implementation.
• [Component] I wrote a storybook document about the implementation.
• [Component] I tested the implementation in various browsers.
  • Windows: Chrome, Edge, (Optional) Firefox
  • macOS: Chrome, Edge, Safari, (Optional) Firefox
• [New Component] I added my username to the correct directory in the CODEOWNERS file.

Related Issue

Fixes #638

Summary

컨텐츠를 가운데 정렬할 때 사용되는 레이아웃 컴포넌트인 AlphaCenter 컴포넌트를 구현합니다.

Details

• Implement Center component #638 참고.
• 디자인 시스템 리디자인이 진행되면서 내부 구현/인터페이스가 변경될 수 있으므로, Alpha prefix를 추가했습니다.

Breaking change or not (Yes/No)

No

References

없음

[changeset-bot]

🦋 Changeset detected

Latest commit: 3514d4d

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 2 packages

Name	Type
@channel.io/bezier-react	Patch
bezier-figma-plugin	Patch

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[codecov]

Codecov Report

Patch coverage: 85.71% and project coverage change: +0.01 🎉

Comparison is base (59bfddc) 77.57% compared to head (3514d4d) 77.58%.

Additional details and impacted files

@@             Coverage Diff             @@
##           next-v1    #1189      +/-   ##
===========================================
+ Coverage    77.57%   77.58%   +0.01%     
===========================================
  Files          291      294       +3     
  Lines         3803     3810       +7     
  Branches       846      846              
===========================================
+ Hits          2950     2956       +6     
- Misses         558      559       +1     
  Partials       295      295              

Impacted Files	Coverage Δ
...s/bezier-react/src/components/AlphaCenter/index.ts	0.00% <0.00%> (ø)
...t/src/components/AlphaCenter/AlphaCenter.styled.ts	100.00% <100.00%> (ø)
...r-react/src/components/AlphaCenter/AlphaCenter.tsx	100.00% <100.00%> (ø)

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