Something similar, yes. However I suspect that they created that site using Markdown and a static site generator. [Edit - yup - Hugo]
I'm not sure how "static" this site is. I say that because of the links on the right side. Particularly the one that indicates you can edit the page, This seems more "wiki" like.
LOL, not me. I've been a non-conformist dweeb that walks to the rhythm of his own percussion instrument all my life! 😉
Me neither, but they're very hot in developer documentation right now, according to the Write the Docs community.