feat: 新增配置保存和读取、新增文档

- 添加配置数据文件保存和载入
- 添加字幕样式恢复默认的选项
- 添加用户说明文档
- 添加字幕引擎说明文档

README_en.md

@@ -8,7 +8,11 @@
     </p>
 </div>
 
-![](./assets/01.png)
+![](./assets/media/main.png)
+
+## ⚠️ Attention
+
+**The current software interface language is Chinese. English adaptation has not been done yet.**
 
 ## 📥 Download
 
@@ -36,6 +40,8 @@ Note: The Windows platform supports generating subtitles for both audio output a
 
 ## 🚀 Project Execution
 
+![](./assets/media/structure.png)
+
 ### Install Dependencies
 
 ```bash
@@ -46,6 +52,8 @@ npm install
 
 > #### Background
 >
+> If you are a developer and want to develop a custom subtitle engine, please refer to the [Subtitle Engine Documentation (Chinese)](./assets/engine-manual_zh.md).
+>
 > The so-called subtitle engine is actually a subprocess that will real-time acquire streaming data from system audio input (recording) or output (playing sound) and call an audio-to-text model to generate corresponding subtitles for the audio. The generated subtitles are output as JSON data converted to strings via IPC and returned to the main program. The main program reads the subtitle data, processes it, and displays it on the window.
 >
 > Currently, the project uses the [Alibaba Cloud Gummy Model](https://help.aliyun.com/zh/model-studio/gummy-speech-recognition-translation/) by default, which requires obtaining an API KEY from Alibaba Cloud's Bailian platform and configuring it in the environment variables to function properly. Related tutorials: [Get API KEY](https://help.aliyun.com/zh/model-studio/get-api-key), [Configure API Key through Environment Variables](https://help.aliyun.com/zh/model-studio/configure-api-key-through-environment-variables).