Henry

Song's image assets might fail over time

1

 For example, the thumbnails in the screenshot above uses Youtube's generated animated thumbnail, however those urls are not permanent, and could be cleaned by youtube. We might need a...

Nit: will this behave properly properly on iOS browsers where IIRC local storage has a short expiration duration? Same for `setStorage` below. _Originally posted by @jieyouxu in https://github.com/henryz00/Rhythm-Plus-Music-Game/pull/63#r552590796_