Visibility lower range resolution

[Bacchuss]

The visibility layer shows everything below 800 m the same:

While parts here have visibilities down to 100 m according to the model. For terrestrial user, that is a world of a difference and some more resolution in that lower area would be valuable.

[idefix37]

@Bacchuss
You can add finer steps in the color scale

https://community.windy.com/topic/10336/customize-the-color-scales-of-windy-layers?_=1738828513389