✨ (client): Add search page and search functions

[zlrlo]

Description

• header에 search 관련 UI 컴포넌트 추가 후, search api 연결! (pagination은 안되는건가요...?😢)
• search page 추가 (/search?query='hey')

Type of change

• [ ] 💥 Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [x] ✨ New feature (non-breaking change which adds new functionality)
• [ ] 🐛 Bug fix (non-breaking change which fixes an issue)
• [ ] ♻️ Refactor (non-breaking change which refactors code)
• [ ] 🩹 Chore (non-breaking change which changes the small things)
• [ ] 📝 This change requires a documentation update

Further to-do lists

[vercel[bot]]

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🔍 Inspect: https://vercel.com/tkhwang/readable/EuNhypoqWPutLCiqvrTrHNEt9khT
✅ Preview: https://readable-git-fork-zlrlo-feat-1004-hompage-search-tkhwang.vercel.app

[tkhwang]

아하.. search 결과 pagination 필요하군요... 👍