[libc-commits] [libc] [libc][docs] use docgen to generate stdbit rst docs (PR #88540)

[Nick Desaulniers via libc-commits]

https://github.com/nickdesaulniers approved this pull request.

looks great! Thanks for the improvements to docgen, too! Do you need me to merge this for you?

https://github.com/llvm/llvm-project/pull/88540