Keep scroll sync

It's an extension for keeping page scroll position synced across platforms. 这是一个用于在不同设备之间同步页面滚动位置的浏览器扩展程序。 Roadmap: https://github.com/Deguang/keep-scroll-sync/issues/1 Data sync is based on chrome.storage (https://developer.chrome.com/extensions/storage) 数据同步是基于 chrome.storage (https://developer.chrome.com/extensions/storage) 实现的。