desktop: enable sane

hosts/desktop.nix

@@ -42,6 +42,9 @@ in
   # Enable OpenTabletDriver, GUI configurator is otd-gui
   hardware.opentabletdriver.enable = true;
 
+  # Scanners
+  hardware.sane.enable = true;
+
   # To prevent `Unit dconf.service not found.` after theming GTK in HM
   programs.dconf.enable = true;