docs: RAC Tree docs (#7730)
* docs: RAC Tree docs
* Finish docs page for RAC Tree
* fix all the types
* make some styles nicer
* remove unstable, add anatomy
* Add little svg
* remove beta tag and add example card
* fix example contrast problems
* review updates
* formatting and reusing code
* grammar
* Tree starter
* turn on verdaccio
* turn on starterkits
* Revert "turn on verdaccio"
This reverts commit e6bd5065d6a50ec47a59c8df4e5902baeb464f5b.
* Make arrow in anatomy diagram closer to checkbox
* formatting
* Add Tree to vanilla starters
* Turn on verdaccio again
* fix types
* Revert "Turn on verdaccio again"
This reverts commit 2bbff1eb951a4500ff7730a9d029f013d2e9bc62.
* fix lint
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Co-authored-by: Devon Govett <devongovett@gmail.com>
