[WIP] Add lint format integration for code style consistency

[Copilot]

Implementation Plan: Lint and Format Setup

• Explore repository structure and existing configuration
• Identify current linting and formatting tools
• Install Prettier as a dev dependency
• Add format-related scripts to package.json (format, format:check)
• Add lint:fix script to auto-fix lint issues
• Integrate Prettier with ESLint to avoid conflicts
• Fix existing lint errors
• Format all files with Prettier
• Add pre-commit hook setup (optional, using husky and lint-staged)
• Update .gitignore if needed
• Test all scripts work correctly
• Document the setup in README or comments

Current Status:

• ESLint is configured with typescript-eslint, react-hooks, and storybook plugins
• Prettier config exists (.prettierrc) but Prettier is not installed
• 6 lint problems found (3 errors, 3 warnings)
• 14 files have formatting issues

Original prompt

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This section details on the original issue you should resolve

<issue_title>[Style] lint format 도입</issue_title>
<issue_description>## 어떤 기능인가요?

lint 검사와 format 수정 라이브러리를 도입해 휴먼 에러로 발생하는 코드 스타일간 차이를 통일화하여 코드 퀄리티 보장

작업 상세 내용

• TODO
• TODO
• TODO

참고할만한 자료(선택)

</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes [Style] lint format 도입 #34

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