Visual indicators for nesting levels in sidebar content

[alexakreizinger]

(I don't believe any of the current Mintlify themes support this behavior already; my team uses the Aspen theme for our docs site)

The sidebar for our docs site has multiple layers of nesting, Which can make navigation complex. The previous tool we used had visual indicators to help you quickly determine which pages were children of which section, and how many layers "deep" you were at a given moment:

For comparison, here's an equivalent snippet of our current nav in Mintlify (with the addition of "Overview" pages due to a different limitation of Mintlify):

I'd love to see a theme option implemented that gives us something similar to the first image!

EDIT: Oh, and as a bonus--obviously a very different use case, but you can see the same design principle in action with Reddit's "old" layout style for comments: