fix: use StateDirectory

nixos.nix

@@ -34,7 +34,7 @@ in
         ExecStart = "${package}/bin/wormspace  ${
           escapeShellArg (toString cfg.port)
         }";
-        # WorkingDirectory = cfg.configPackage;
+        StateDirectory = "wormspace";
         DynamicUser = true;
         User = "wormspace";
       };