message: Add codes to dark schedule
diff: (() =>
  {
  - return () =>
  + return (settings) =>
  {
  class ScheduleTime
  {
  return result;
  }
  }
  + const start = new ScheduleTime(settings.darkScheduleStart);
  + const end = new ScheduleTime(settings.darkScheduleEnd);
  + const now = new ScheduleTime();
  + const darkMode = now.isInRange(start, end);
  + if (settings.useDarkStyle !== darkMode)
  + {
  + settings.useDarkStyle = darkMode;
  + saveSettings(settings);
  + }
  return {
  - ajaxReload: false
  + ajaxReload: false,
  + export: ScheduleTime
  };
  };
  })();
  \ No newline at end of file
  