[llvm-branch-commits] [libcxx] [libc++] Implements the new FTM documentation generator. (PR #139774)

[Louis Dionne via llvm-branch-commits]

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

I am really excited for this change! This looks really good, with a few comments.

https://github.com/llvm/llvm-project/pull/139774