How to create a documentation theme used by discourse

[JammyDodger]

The docs sidebar on the left is very new, but you can give feedback and find more about it in this topic:

Better documentation navigation with a new sidebar

This week, we published a significant improvement to Discourse documentation - a new sidebar! This feature is designed to make navigating and accessing our documentation easier and more intuitive than ever before. What’s new? The new sidebar shows up on all documentation categories and topics, making it easier to navigate their content. Here’s what you can expect: Improved navigation: With a clear, hierarchical structure, moving between different topics is now faster and more straigh…