Lots more moves, simplifiactions to options and removed code that peeved me off

modules/system/services/general/default.nix

@@ -5,6 +5,7 @@
     ./earlyoom
     ./gnome-keyring
     ./gvfs
+    ./iwd
     ./keyd
     ./libvirtd
     ./portals

modules/system/services/general/iwd/default.nix

@@ -0,0 +1,7 @@
+{ config, lib, pkgs, ... }:
+{
+  environment = lib.mkIf config.networking.wireless.iwd.enable {
+    systemPackages = with pkgs; [ impala ];
+    persistence."/persist".directories = [ "/var/lib/iwd/" ];
+  };
+}