Yes. I have work habits and name my files according to their content, so I can get at them immediately in a file browser (broot). searching for one “index.md” when there are a dozen of them does not work for me.
In any case, this is how you do it: add this in config.
I was confused when I was told to use cascade, I don’t really understand why this rule gets to apply after the mounts/remappings and not before, but it does.