Raise awareness of EE features during Free mode
Description
Using GitLab EE without a license gives you the same functionality as CE (also known as Free mode). But one of the benefits of using the EE codebase is that we can make you aware of EE-specific features, and make it easy to trial them. What features do we currently show/mention in Free mode? Which ones should we? What are the top 5 most-impactful features we should start raising awareness about?