Introduce unified docs to EE landing page
What does this MR do?
Minimum adjustments to EE-doc landing page for hiding CE from the docs site (https://gitlab.com/gitlab-com/gitlab-docs/merge_requests/94/diffs)
Minimum adjustments to EE-doc landing page for hiding CE from the docs site (https://gitlab.com/gitlab-com/gitlab-docs/merge_requests/94/diffs)