轻提示，友好提示
This script should not be not be installed directly. It is a library for other scripts to include with the meta directive // @require https://update.greatest.deepsurf.us/scripts/490343/1378043/Mini_Toast.js
轻提示，注入即用 const toastHandler = new ToastHandler();
使用前先注册（部分场景在document-start执行则可能报错） toastHandler.showToast(text, time)
