image comparison slider widget

[alefminus]

Description

I want to be able to compare two images one to the other via a widget. A common way to do this is side by side (demoing img-comparison-slider

Screencast from 2024-05-30 12-14-30.webm

Suggested solution

Augment augment mo.image or add mo.image_compare with similar functionality.

Alternative

Don't, it can be done with custom HTML already (but most users wouldn't know how).

Additional context

No response