makefu: add wwan with wvdial

2configs/wwan.nix

@@ -0,0 +1,10 @@
+{ config, lib, pkgs, ... }:
+let
+  mainUser = config.krebs.build.user;
+in {
+  environment.systemPackages = with pkgs;[
+    wvdial
+  ];
+
+  users.extraUsers.${mainUser.name}.extraGroups = [ "dialout" ];
+}