What's changing

Fix the way note is displayed in configuration page of docs, and update navigation to show the page.

If this PR is related to an issue or closes one, please link it here.

Refs #812

I already...

• Tested the changes in a working environment to ensure they work as expected
• Added some tests for any new functionality
• Updated the documentation (both comments in code and product documentation under /docs)
• Checked if a (backend) DB migration step was required and included it if required