cups: Add module

modules/users/alexander.nix

@@ -4,7 +4,7 @@
   config = lib.mkIf (config.ptw.system.singleUser == "alexander") {
     users.users.alexander = {
 	    isNormalUser = true;
-	    extraGroups = [ "wheel" "audio" "video" "kvm" "input" "libvirtd" ];
+	    extraGroups = [ "wheel" "audio" "video" "kvm" "input" "libvirtd" "scanner" "lp" ];
 	    hashedPassword = "$5$i4aZuQ/WXP.rFOc$lCzDqbrVsqBQt5954O.3bFPknD0jn27MmqzmE4DIAEC";
       shell = pkgs.zsh;
       useDefaultShell = false;