message: Don't start concurrently if there's nothing to start.
diff: @@ -72,11 +72,13 @@ exports.handler = async (argv) => {
  colors.push("magenta");
  }
  + if (args.length > 0) {
  spawn("concurrently", [
  ...args.map((a) => quote(a.join(" "))),
  "--color", "-c", colors.join(","),
  "--names", names.join(",")
  ]);
  + }
  };
  // This is required to correctly handle SIGINT on windows.
  