docs: enhance Infinity Scroll Docs , Code splitting Docs

README.md

@@ -44,10 +44,15 @@
   - [배포](https://www.chromatic.com/build?appId=62f3c06c73a375912ca8d9be&number=1)
   - [repo](https://github.com/jin-Pro/CowDogTing_Storybook)
 - ### API 문서
-- [API](https://github.com/boostcampwm-2021/web10-CowDogTing/wiki/API-%EB%AC%B8%EC%84%9C)
+  - [API](https://github.com/boostcampwm-2021/web10-CowDogTing/wiki/API-%EB%AC%B8%EC%84%9C)
 - ### Test 문서
 
   - [Jest](https://github.com/boostcampwm-2021/web10-CowDogTing/wiki/Jest-%EB%AC%B8%EC%84%9C)
 
 - ### Type 문서
+
   - [Type](https://github.com/boostcampwm-2021/web10-CowDogTing/wiki/Type-%EB%AC%B8%EC%84%9C)
+
+- ### 개선사항
+  - [Infinity Scroll 비교 분석](https://velog.io/@0_jin/%EB%AC%B4%ED%95%9C%EC%8A%A4%ED%81%AC%EB%A1%A4-%EC%84%B1%EB%8A%A5-%EA%B0%9C%EC%84%A0)
+  - [Code splitting 적용](https://velog.io/@0_jin/WebVitals-10-%EB%8B%A8%EC%B6%95%EC%8B%9C%ED%82%A4%EA%B8%B0)