Add aspect ratio

[carriemorrison]

Support is good now: https://caniuse.com/?search=aspect-ratio

[redonkulus]

We have support already https://github.com/acss-io/atomizer/blob/main/packages/atomizer/src/rules.js#L306

[carriemorrison]

That requires custom? Could be nice if we could supply param to value since images come at constantly different sizes. Similar how width is done so you just supply both image size values Ar(1920/1080)

[redonkulus]

So just switch allowParamToValue to true?

[redonkulus]

Or some variant of calculatePercentage but doesn't convert to %...