Add CSS Scroll Snap Module Level 2

[Schweinepriester]

• Spec: https://drafts.csswg.org/css-scroll-snap-2/
• This includes
  • :snapped
    • Chrome: https://bugs.chromium.org/p/chromium/issues/detail?id=1249204
  • scroll-start-target
  • snapChanged and snapChanging scrollsnapchange and scrollsnapchanging
• https://github.com/argyleink/ScrollSnapExplainers
• https://github.com/argyleink/2022-css-day_oh-snap => https://oh-snap.netlify.app/#snap-next

Thanks to @argyleink for working on the spec and the talk 🎉

[argyleink]

scrollsnapchange and scrollsnapchanging heading to Chrome 129!

looking to add a support widget to an upcoming blog post ☺️