Upstream change is validating all maintainers against lib.maintainers,
need to merge our maintainer list in to pass doc building.
Signed-off-by: Austin Horstman <khaneliman12@gmail.com>
This change makes use of the `extend` function inside `lib` to inject
a new `hm` field containing the Home Manager library functions. This
simplifies use of the Home Manager library in the modules and reduces
the risk of accidental infinite recursion.
PR #994
