feat(networking): add enable option

modules/networking/default.nix

@@ -1,11 +1,15 @@
-{ config, ... }:
+{ lib, config, ... }:
 
 {
-  networking = {
+  options.networking.enable = lib.mkEnableOption "network configuration";
-    hostName = config.host.name;
+
-    wireless.iwd.enable = true;
+  config = lib.mkIf config.networking.enable {
-    networkmanager.wifi.backend = "iwd";
+    networking = {
-    nftables.enable = true;
+      hostName = config.host.name;
-    firewall.enable = true;
+      wireless.iwd.enable = true;
+      networkmanager.wifi.backend = "iwd";
+      nftables.enable = true;
+      firewall.enable = true;
+    };
   };
 }