[신규 번역] Part 2 3.2 Moving: mouseover/out, mouseenter/leave 번역

[Chaejy]

작업할 내용

Part 2 3.2 Moving the mouse: mouseover/out, mouseenter/leave에 대한 번역을 진행하겠습니다.

• KO 번역: https://ko.javascript.info/mousemove-mouseover-mouseout-mouseenter-mouseleave
• 파일 경로: 2-ui/3-event-details/3-mousemove-mouseover-mouseout-mouseenter-mouseleave/article.md