Updating Get started with Git to Getting started
Update global nav
We have been trying to use this standard for the left nav: https://docs.gitlab.com/ee/development/documentation/topic_types/get_started.html#get-started-page-titles
We have been trying to use this standard for the left nav: https://docs.gitlab.com/ee/development/documentation/topic_types/get_started.html#get-started-page-titles