Is your feature request related to a problem? Please describe.

No

Describe the solution you'd like

A tool that allow, in a gallery, to visualise images that are comparable – with a slider alternatively showing one or the other.
Something like here: https://gepettoapp.com/

Describe alternatives you've considered

https://github.com/sapientpro/image-comparator-laravel/activity
https://img-comparison-slider.sneas.io/

Additional context

We are trying to build a virtual home staging module on our real estate website which already uses Fancybox. It would be wonderful if that feature came "out of the box".