feat(s2): coachmarks (#7590)
* GW coachmark
* fix TS errors
* remove unrelated files, update yarn.lock
* remove unneeded import
* lint fix
* more lint fixes
* remove old stories
* remove unused import
* fix yarn lock
* API changes to bring in line with other s2 components
* Cleanup to get merged
* fix lint and tests
* remove from exports entirely
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Co-authored-by: Robert Snow <rsnow@adobe.com>
Co-authored-by: Robert Snow <snowystinger@gmail.com>
