1.添加从Delphi源码转换为PythonStudio源码的转换器功能

2.修复文件改动后弹窗提示的代码注释遗漏

3.修复清空缓存文件菜单中的对__pycache__目录的遗漏

4.添加TListItems类、TTreeNodes类的包裹和pyi声明

1. Add a converter function to convert from Delphi source code to PythonStudio source code

2. Fixed the missing code comment in the pop-up window after file modification

3. Fixed the omission of the __pycache__ directory in the clear cache file menu

4. Add the packages and pyi declarations of the TListItems class and TTreeNodes class