Add all of iogamaster modules

modules/nixos/hardware/networking/default.nix

@@ -0,0 +1,21 @@
+{
+  options,
+  config,
+  lib,
+  ...
+}:
+with lib;
+with lib.frajul; let
+  cfg = config.hardware.networking;
+in {
+  options.hardware.networking = with types; {
+    enable = mkBoolOpt false "Enable networkmanager";
+  };
+
+  config = mkIf cfg.enable {
+    networking.networkmanager.enable = true;
+    environment.persist.directories = [
+      "/etc/NetworkManager"
+    ];
+  };
+}