[DX] Offer to backup and delete existing config to proceed with installation

I work with a lot of local instances, and when I wipe the db to start over, I always get this screen:

I would like us to add an option in this screen to allow backing up the existing configuration files, and then deleting them, so that people don't have to do it manually.

There could be an "I understand the risk" checkbox and the submit button could be a red "danger" one, to communicate the irreversibility of things.