vue-persistedstate

https://kyounghwan01.github.io/blog/Vue/vuex/vuex-persistedstate/#vuex-persistedstate-%E1%84%8B%E1%85%B5%E1%86%AF%E1%84%87%E1%85%AE%E1%84%86%E1%85%A1%E1%86%AB-%E1%84%8C%E1%85%A5%E1%84%8C%E1%85%A1%E1%86%BC

vuex 새로고침시 상태 초기화 방지