kde: Add NetworkManager

hosts/workstation/persist.nix

@@ -13,6 +13,7 @@
         group = "colord";
         mode = "u=rwx,g=rx,o=";
       }
+      "/etc/NetworkManager/system-connections"
     ];
     files = [
       "/etc/machine-id"

modules/desktop/environments/kde.nix

@@ -32,6 +32,9 @@ in {
     ".local/state/konsolestaterc"
   ];
 
+  networking.networkmanager.enable = true;
+  users.users.hu.extraGroups = [ "networkmanager" ];
+
   environment.sessionVariables = {
     LIBVA_DRIVER_NAME = "nvidia";
     XDG_SESSION_TYPE = "wayland";