Docs: Consolidate OaC intros (#113895)
* Consolidate
* Edits
* Remove Get started
* Prettier
* Edit
* Removing Grizzly
* Prettier
(cherry picked from commit 2dfcaf9be8)
Docs: Consolidate OaC intros (#113895)
* Consolidate
* Edits
* Remove Get started
* Prettier
* Edit
* Removing Grizzly
* Prettier
(cherry picked from commit 2dfcaf9be8)