nixos/magic-wormhole-mailbox-server: moving from mail to networking

nixos/modules/module-list.nix

@@ -394,7 +394,6 @@
   ./services/mail/mailcatcher.nix
   ./services/mail/mailhog.nix
   ./services/mail/mailman.nix
-  ./services/mail/magic-wormhole-mailbox-server.nix
   ./services/mail/mlmmj.nix
   ./services/mail/offlineimap.nix
   ./services/mail/opendkim.nix
@@ -643,6 +642,7 @@
   ./services/networking/lldpd.nix
   ./services/networking/logmein-hamachi.nix
   ./services/networking/mailpile.nix
+  ./services/networking/magic-wormhole-mailbox-server.nix
   ./services/networking/matterbridge.nix
   ./services/networking/mjpg-streamer.nix
   ./services/networking/minidlna.nix