docs: S2 homepage (#9295)
* wip s2 homepage
* test
* add some decriptions
* add some more decriptions
* add even more decriptions
* Add use client to illustrations
* Fix some icons
* temp: simulate HCM
* more homepage stuff
* temp: test fix
* temp: more hcm
* fixes and a11y improvements
* improvements and fixes
* update test
* responsive
* Add reduce motion example
* Display a fixed number of icon rows
* better hcm
* improve press animation
* add reusable utilities example
* fix mobile example
* colors
* Always set ColorSchemeContext
So that react tree doesn't re-mount if you change it
* Fix react warning
* lint
* fix
* move hcm/rem simulation behind a flag
* Add mobile animation
* Improve Field HCM
* temp: private Slider staticColor prop
* Add arrows
* Add arrows, header, and footer
* fix safari
* updates
* hover
* fix link
* add new description copy
* add example of title v-slider
* fix some urls
* Fix toast rename
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Co-authored-by: Danni <darobins@adobe.com>
