docs: translate Animating based on cause and Activity (#1312)

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이슈번호:  #1311 

# <!-- 제목을 작성해주세요. --> translate Animating based on cause and Activity

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1. 네비게이션 애니메이션 하단 누락 부분 번역
블로그 > [React Labs: View Transitions, Activity, and
more](https://ko.react.dev/blog/2025/04/23/react-labs-view-transitions-activity-and-more#animating-navigations)
<img width="1408" height="764" alt="스크린샷 2025-08-30 오전 2 32 41"
src="https://github.com/user-attachments/assets/2854db4e-c999-4e75-8eed-e468ea1060ad"
/>
<br><br>

2. 원인에 따라 애니메이션 적용하기(Animating based on cause) 번역
블로그 > [React Labs: View Transitions, Activity, and
more](https://ko.react.dev/blog/2025/04/23/react-labs-view-transitions-activity-and-more#animating-based-on-cause)
<img width="1454" height="764" alt="스크린샷 2025-08-30 오전 2 35 34"
src="https://github.com/user-attachments/assets/73685636-d43c-4699-9dd4-540e28f77cff"
/>
<br><br>

3. Activity 번역
블로그 > [React Labs: View Transitions, Activity, and
more](https://ko.react.dev/blog/2025/04/23/react-labs-view-transitions-activity-and-more#activity)
<img width="1448" height="770" alt="스크린샷 2025-08-30 오전 2 36 39"
src="https://github.com/user-attachments/assets/112a3168-0805-44ac-87de-938eb026d9e8"
/>
<br><br>

4. 블로그 목록의 React Labs: View Transitions, Activity 카드 번역
  [블로그](https://ko.react.dev/blog)
<img width="1453" height="608" alt="스크린샷 2025-08-30 오전 2 37 19"
src="https://github.com/user-attachments/assets/b3f259c1-3f0a-449d-98f1-9256a6725ff2"
/>
<br><br>

## 필수 확인 사항

- [x] [기여자 행동 강령 규약<sup>Code of
Conduct</sup>](https://github.com/reactjs/ko.react.dev/blob/main/CODE_OF_CONDUCT.md)
- [x] [기여
가이드라인<sup>Contributing</sup>](https://github.com/reactjs/ko.react.dev/blob/main/CONTRIBUTING.md)
- [x] [공통 스타일 가이드<sup>Universal Style
Guide</sup>](https://github.com/reactjs/ko.react.dev/blob/main/wiki/universal-style-guide.md)
- [x] [번역을 위한 모범 사례<sup>Best Practices for
Translation</sup>](https://github.com/reactjs/ko.react.dev/blob/main/wiki/best-practices-for-translation.md)
- [x] [번역 용어 정리<sup>Translate
Glossary</sup>](https://github.com/reactjs/ko.react.dev/blob/main/wiki/translate-glossary.md)
- [x] [`textlint` 가이드<sup>Textlint
Guide</sup>](https://github.com/reactjs/ko.react.dev/blob/main/wiki/textlint-guide.md)
- [x] [맞춤법 검사<sup>Spelling
Check</sup>](https://nara-speller.co.kr/speller/)

## 선택 확인 사항

- [ ] 번역 초안 작성<sup>Draft Translation</sup>
- [ ] 리뷰 반영<sup>Resolve Reviews</sup>

---------

Co-authored-by: 루밀LuMir <rpfos@naver.com>

Author: ony540