Webp images migration

[cescoallegrini]

Hi! This is more a proposal than an issue.
Would it be possible to add the migration of generated webp images?
I often use Optimus to generate the webp version of my files, so my uploads folder contains both image.jpg and image.jpg.webp.
Clearly there's no reference in the db for the converted files and I always have to upload/download them via FTP.
A basic solution would be migrating all the files in the directory, a nicer one would be adding some configuration fields in which choose which additional files include in the migration. The latter could be applied to other kind of files/folders as well.
What do you think? If you need some help just let me know!