Allow more customization to Help landing page
What does this MR do?
- Moves custom help text to the top of the /help page.
- Allows admin to specify an alternate support URL.
- Allows admin to hide marketing-related help content that is N/A and could confuse end-users.
Are there points in the code the reviewer needs to double check?
Why was this MR needed?
Screenshots (if relevant)
Does this MR meet the acceptance criteria?
- Changelog entry added, if necessary
- Documentation created/updated
- API support added
- Added for this feature/bug
- All builds are passing
- Conform by the merge request performance guides
- Conform by the style guides
Branch has no merge conflicts with
master(if it does - rebase it please)
- Squashed related commits together
What are the relevant issue numbers?