Show WAX CPU percentage used in top left corner
当前为 2022-06-21 提交的版本，查看 最新版本。
这些是此脚本变更过代码的版本。 显示所有版本。
CPU usage calls are only done if the tab is considered "visible"https://stackoverflow.com/questions/1060008/is-there-a-way-to-detect-if-a-browser-window-is-not-currently-active
Changed CPU update interval to 60 seconds instead of 10 as this is now rate limited by WAX
