Optimize for eink devices, such as no animation, full page turn, volume+/- next page etc..

[jarryson]

1. Environment

• Device: [Bigme B751C]
• OS: [Android 11]
• APP: [0.9.6]

2. Describe the feature request

You made an almost perfect app for eink devices, hope you can add some eink specific features:

1. allow use volume +/- buttons to prev or next page.
2. allow full page turn up and down.
3. maybe add virtual area as buttons to prev or next page.
4. no animation when "mark as read" button clicked.

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希望能针对墨水屏优化，整个app基本完美使用，在墨水屏设备上显示清晰锐利，希望能更优化墨水屏功能体验，非常感谢！

1. 能使用快捷键翻页，一般墨水屏是音量加减
2. 允许整页翻页，增加整页翻页的按钮或者控制区域（非常需要）
3. 标记为已读能否去掉动画，不要让其他内容下移（此项不是很重要）