docs: Korean translation of React Labs blog post: View Transitions, Activity and more

[Copilot]

This PR translates the React Labs blog post "View Transitions, Activity, and more" from English to Korean following the established translation guidelines and glossary.

Changes Made

• Complete translation of src/content/blog/2025/04/23/react-labs-view-transitions-activity-and-more.md
• Preserved MDX syntax and code blocks as required
• Applied translation glossary consistently for technical terms
• Maintained Korean writing style consistent with existing translated content

Translation Guidelines Followed

• Used formal Korean writing style (합니다/습니다 endings)
• Applied translations from wiki/translate-glossary.md and wiki/translate-glossary-legacy.md
• Kept technical terms untranslated where specified (React, props, state, etc.)
• Followed CONTRIBUTING.md style guidelines
• Preserved all markdown/MDX formatting and code examples

Key Sections Translated

• New Experimental Features: View Transitions and Activity APIs
• Features in Development: React Performance Tracks, Automatic Effect Dependencies, Compiler IDE Extension, Fragment Refs, Gesture Animations, Concurrent Stores
• Technical explanations using proper Korean terminology per established glossary
• React Conf 2025 announcement and call for speakers

Quality Assurance

• ✅ Build passes successfully with no syntax errors
• ✅ Korean text follows established conventions from existing translated content
• ✅ All technical terms translated consistently per glossary
• ✅ MDX components and code blocks preserved intact
• ✅ Links and references maintained correctly

The translation maintains the technical accuracy while making the content accessible to Korean-speaking React developers, following the same high standards established in other translated React documentation.

Warning

Firewall rules blocked me from connecting to one or more addresses

I tried to connect to the following addresses, but was blocked by firewall rules:

• conf.reactjs.org
  • Triggering command: curl REDACTED --output public/fonts/Optimistic_Display_Arbc_W_Bd.woff2 (dns block)
  • Triggering command: curl REDACTED --output public/fonts/Optimistic_Display_Arbc_W_Md.woff2 (dns block)
  • Triggering command: curl REDACTED --output public/fonts/Optimistic_Display_Cyrl_W_Bd.woff2 (dns block)

If you need me to access, download, or install something from one of these locations, you can either:

• Configure Actions setup steps to set up my environment, which run before the firewall is enabled
• Add the appropriate URLs or hosts to my firewall allow list

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Name	Status	Preview	Comments	Updated (UTC)
ko-react-dev	🔄 Building (Inspect)	Visit Preview	💬 Add feedback	Jul 8, 2025 1:36pm

1 Skipped Deployment

Name	Status	Preview	Comments	Updated (UTC)
ko-legacy-reactjs-org	⬜️ Ignored (Inspect)	Visit Preview		Jul 8, 2025 1:36pm

[github-actions]

Size changes

📦 Next.js Bundle Analysis for undefined

This analysis was generated by the Next.js Bundle Analysis action. 🤖

This PR introduced no changes to the JavaScript bundle! 🙌

[lumirlumir]

@hg-pyun @gnujoow

코파일럿으로 번역 시도해봤는데, 제가 승인을 못하네요😅 시간 되실 때, 승인 한번 눌러주시면 감사하겠습니다!

[hg-pyun]

오 똑똑한 녀석이군요.