Would it be possible to install the `ocamlary` back ? It [used](https://github.com/ocaml/odoc/blob/fd4605f6c94d61a9dd3cffabc76c712ba246ae4c/test/inactive/core/dune) to be installed by `odoc`. It's quite useful to be able to inspect `odoc`'s outputs on darker corners of the OCaml language.