Feat: Allow for sorting files by recently modified

[tnrich]

This would be really nice to have for reviewing large PRs:

@letmaik Thanks!

[letmaik]

Do you want to give it a try? Seems like a useful feature!

[tnrich]

Haha sure @letmaik I would be up for giving it a whirl! I'll let you know how it goes. Cheers!