Add a --dry-run or -d flag

[retrospct]

Add an option flag to preview what changes will be made. This will help to avoid removing files you actually wanted to keep by accident.

[fwartner]

Hey @retrospct ! Feel free to create a PR for this feature! :)

[efa2d19]

Hey @fwartner I'm willing to create a pull request. Can you give me access to writing or something?
upd: sorry, my first time contributing in open source. I opened pull request fir this (:

[efa2d19]

I suppose it's solved now)
Can someone close this issue?