Add some white space

nixos/modules/monitoring/exporters/tahoe.nix

@@ -39,6 +39,7 @@ in {
   config =
     lib.mkIf cfg.enable {
       environment.systemPackages = [ pkgs.curl ];
+
       systemd.services.tahoe-metrics-collector = {
         enable = true;
         description = "Tahoe metrics gathering service";
@@ -55,6 +56,7 @@ in {
           mv "${cfg.outFile}.tmp" "${cfg.outFile}"
         '';
       };
+
       systemd.timers.tahoe-metrics-collector = {
         after = [ "tahoe.storage.service" ];
       };