[신규 번역] Part 3 - 2.3 JavaScript animations 과제 1-2 번역

### 작업할 내용
[Part 3 - 2.3 JavaScript animations 과제 1-2](https://ko.javascript.info/js-animation#ref-3346)에 대한 번역입니다.

<img width="755" alt="image" src="https://user-images.githubusercontent.com/64532143/194752751-3cdb7051-f982-4cbf-b602-1e9ad0b93a83.png">

<img width="565" alt="image" src="https://user-images.githubusercontent.com/64532143/194752977-708c0e79-f579-409d-9af2-22a03c5be04e.png">

