Broken irimin-fs linkl in docs #3312
Description
Page on Irmin_fs_unix.KV, which appears on the irmin-fs documentation's index isn't broken.
https://ocaml.org/p/irmin-fs/3.11.0/doc/irmin-fs.unix/Irmin_fs_unix/KV/index.html
Not sure whether the issue comes from Irmin, odoc or ocaml.org
CC: @jonludlam @clecat