I have my library divided in categories (I don’t use the collections feature since they are physically in different drives/folders) I organize weekly from an “Unsorted” library, and it would be a useful feature to have (better if it moves the file to the target category folder)
There’s already an existing feature suggestion discussing this option. I suggest you comment/vote in that thread in order to avoid distracting votes.
Please search before posting duplicates.
There’s even a suggestion asking for some even more extensive Library moving / separating / combining / splitting / …