We're deprecating the battlecard doc in favor of
- Marked as DONE are features that are included in
- Marked as
missingare features that are not included at all and are tracked in https://gitlab.com/gitlab-com/www-gitlab-com/issues/1545.
- Those with a question mark (?) in front of them, I didn't know if they should be included at all.
This MR adds any missing information for existing features. Also closes https://gitlab.com/gitlab-com/www-gitlab-com/issues/1544