* feat: transform `hsl` to `hsla`
* feat: update plugins using `toRgba`
* Test `gradientColorStops`
* Add test for `ringWidth`
* Add percentage symbol after Saturation and Lightness
* prefix custom properties with tw-
* prefix custom properties with tw- in tests
* prefix gradient values in the defaultConfig
* inline gradient-via-color
* simplify --tw-tailwind-empty to --tw-empty
* replace the long --tw-font-variant-numeric-... to the way shorter --tw-fvn-...
* Rename --tw-box-shadow to --tw-shadow
To match class name.
* Rename font-variant-numeric variables
* Remove 'transform' from transform variables
* Shorten gradient variables
* Fix style
Co-authored-by: Adam Wathan <adam.wathan@gmail.com>