fbc5093649
This hook moves systemd user service file from `lib/systemd/user` to `share/systemd/user`. This is to allow systemd to find the user services when installed into a user profile. The `lib/systemd/user` path does not work since `lib` is not in `XDG_DATA_DIRS`.
*** NixOS *** NixOS is a Linux distribution based on the purely functional package management system Nix. More information can be found at https://nixos.org/nixos and in the manual in doc/manual.