nixos/gancio: set default value for settings.baseurl

          };

          baseurl = mkOption {

            type = types.str;

            default = "";

            example = "/gancio";

            description = "The URL path under which the server is reachable.";

            default = "http${

              lib.optionalString config.services.nginx.virtualHosts."${cfg.settings.hostname}".enableACME "s"

            }://${cfg.settings.hostname}";

            defaultText = lib.literalExpression ''"https://''${cfg.settings.hostname}"'';

            example = "https://demo.gancio.org/gancio";

            description = "The full URL under which the server is reachable.";

          };

          server = {

            socket = mkOption {