[Feature] 自动保存

[hui945]

💡 新功能请求 | Feature Request

希望可以增加自动保存功能

A clear and concise description of the feature you'd like to be added.

🤔 这个功能能解决什么问题？| What problem does this feature solve?

有时候写完了，忘记点保存就点返回，点快了没按到保存会导致写的内容都丢失，或者写到一半切到其它软件，导致进程被杀，内容也会丢失

Explain why this feature would be useful or what problem it solves.

📑 实现细节（可选）| Implementation Details (optional)

比如设置里增加个定时一分钟自动保存。

If you have any ideas on how to implement it, please provide details.

📱 相关设备/平台 | Relevant Devices/Platforms

• 平台: [Android]
• 相关版本: [2.6.4]

🗒️ 其他信息 | Additional context

关于此功能的其他信息。

Add any other context or screenshots about the feature request here.