fuuko/torrent: Add resolv.conf to aria2 netns

Even though aria2 doesn’t respect it, it is useful for for debugging.

machines/fuuko/services/torrent.nix

@@ -108,6 +108,10 @@ in
     privateKeyFile = config.krops.secrets.wg-aria-private-key.path;
   } // (import ../secrets/aria2-wireguard.nix); # potentially sensitive data
 
+  environment.etc."netns/aria2/resolv.conf".text = ''
+    nameserver 193.138.218.74
+  '';
+
   systemd.services.aria2 = {
     description = "aria2 Service";
     after = [ "wireguard-wg-aria.service" ];