Add configuration for Shire

nixos_common.nix

@@ -1,4 +1,4 @@
-{ pkgs, ... }:
+{ pkgs, inputs, ... }:
 
 {
   imports = [
@@ -7,6 +7,8 @@
     ./users/som/configuration.nix
   ];
 
+  nixpkgs.overlays = [ inputs.nur.overlay ];
+
   system.stateVersion = "24.05";
   nix.settings.experimental-features = [ "nix-command" "flakes" ];
   time.timeZone = "Europe/Helsinki";