feat(main): 实现字幕引擎控制功能

- 新增字幕引擎启动和停止功能
- 实现控制窗口的字幕引擎状态显示
- 优化字幕日志的发送逻辑
- 重构子进程相关代码

src/main/index.ts

@@ -3,9 +3,6 @@ import { electronApp, optimizer } from '@electron-toolkit/utils'
 import { controlWindow } from './control'
 import { captionWindow } from './caption'
 
-import { PythonProcess } from './utils/pythonProcess'
-const pySubProcess = new PythonProcess()
-
 app.whenReady().then(() => {
   electronApp.setAppUserModelId('com.himeditator.autocaption')
 
@@ -18,8 +15,6 @@ app.whenReady().then(() => {
 
   controlWindow.createWindow()
 
-  // pySubProcess.start()
-
   app.on('activate', function () {
     if (BrowserWindow.getAllWindows().length === 0){
       controlWindow.createWindow()