[flang-commits] [flang] [Flang] Add Sphinx man page support for Flang (PR #141882)

[Kiran Chandramohan via flang-commits]

kiranchandramohan wrote:

`ninja flang-doc` might be generating files like `FIRLangRef.md`. Would adding these files manually affect that?
Note that the HTML files generated from these are displayed currently in the following pages:
https://flang.llvm.org/docs/
https://flang.llvm.org/docs/FIRLangRef.html
https://flang.llvm.org/docs/FlangCommandLineReference.html

https://github.com/llvm/llvm-project/pull/141882