Add scroll-driven animations (web-platform-dx#582)

Author: foolip

feature-group-definitions/scroll-driven-animations.yml

@@ -0,0 +1,27 @@
+name: Scroll-driven animations
+spec: https://drafts.csswg.org/scroll-animations-1/
+compat_features:
+  - api.ScrollTimeline
+  - api.ScrollTimeline.axis
+  - api.ScrollTimeline.ScrollTimeline
+  - api.ScrollTimeline.source
+  - api.ViewTimeline
+  - api.ViewTimeline.endOffset
+  - api.ViewTimeline.startOffset
+  - api.ViewTimeline.subject
+  - api.ViewTimeline.ViewTimeline
+  - css.properties.animation-range
+  - css.properties.animation-range-end
+  - css.properties.animation-range-start
+  - css.properties.animation-timeline
+  - css.properties.animation-timeline.scroll
+  - css.properties.animation-timeline.view
+  - css.properties.animation.animation-timeline_included
+  - css.properties.scroll-timeline
+  - css.properties.scroll-timeline-axis
+  - css.properties.scroll-timeline-name
+  - css.properties.timeline-scope
+  - css.properties.view-timeline
+  - css.properties.view-timeline-axis
+  - css.properties.view-timeline-inset
+  - css.properties.view-timeline-name