v3.1.0+63

此次更新完全重构了阅读页面，如出现bug 请issue反馈或保留下载数据后回滚旧版本。
This update is a big change, almost involed all the code, if you encounter bugs please add an issue or roll back to old version(remenber to save download data).

1. 测试添加对Linux的支持
2. 重构阅读页面，提升复用性
3. 阅读页面新增双页模式和横向连续滚动模式
4. 主页增加唤起快速搜索抽屉的按钮
5. 开始下载归档后自动关闭dialog
6. 修复阅读方向为从右到左时，缩略图和滑块的方向未同步的bug
7. 桌面模式下代理地址禁止设置为空
8. 去除Windows系统下清楚日志的功能

1. Support Linux(Experimental)
2. Refactor read page to reduce coupling
3. Add double column mode and continuous scroll mode for read page
4. Add button in home page to open quick search drawer
5. Close dialog automatically after beginning to download archive
6. Fix bug that when read direction is right-to-left, direction of thumbnails and slider is wrong
7. Check proxy address for desktop(shouldn't be empty)
8. Disable deleting logs on Windows