code: func signup(ctx *cli.Context, subCommand bool) error {
  	fmt.Println("Torus is no longer accepting signups.")
  	os.Exit(-1)
  	return nil
  }
docs: // signup can be ran as a sub-command when an account is needed prior to running
  // a particular action. the subCommand boolean signifies it is running as such
  // and not as a generic signup