I used this resource as inspiration for when I had to rewrite the documentation for my JS library[1]. There's still a lot of work involved - particularly when it comes to finding the enthusiasm to write up another tutorial lesson or 'How Do I?' note but - overall - the documentation I have now is a lot easier to maintain and update as the library evolves.

How useful it is for others ... I don't know the answer to that one. But knowing the documentation satisfies my needs (it's a Big Library; I'm constantly forgetting small details about how to use it) is enough for me.

[1] - https://scrawl-v8.rikweb.org.uk/