def default_build_settings(key: nil, optional: true)
      options[:scheme] ||= schemes.first if is_workspace
      build_settings(key: key, optional: optional)
    end
def default_build_settings(key: nil, optional: true)
      options[:scheme] ||= schemes.first if is_workspace
      build_settings(key: key, optional: optional)
    end
Returns the build settings and sets the default scheme to the options hash