progress in multi user config

modules/system/networking/default.nix

@@ -0,0 +1,33 @@
+{
+  config,
+  options,
+  lib,
+  pkgs,
+  ...
+}: let
+  inherit (lib.meta) getExe;
+  inherit (lib.modules) mkDefault mkIf mkMerge;
+
+  cfg = config.modules.networking;
+in {
+  options.modules.networking = let
+    inherit (lib.options) mkEnableOption;
+  in {
+    enable = mkEnableOption "network manager";
+  };
+
+  config = mkIf cfg.enable {
+    systemd.services.NetworkManager-wait-online.enable = false;
+
+    networking = {
+      firewall.enable = true;
+
+      networkmanager = {
+        enable = mkDefault true;
+        wifi.backend = "wpa_supplicant";
+      };
+    };
+
+    hm.services.network-manager-applet.enable = true;
+  };
+}