图搜 - 用平常说话的方式搜索本地图片

- Added similar image detection, capable of identifying similar images within indexed albums
- Added album index management, allowing deletion of existing indexes and re-indexing
- Added customizable similarity threshold and search result limits
- Added option to select albums from external file managers
- Fixed an issue where model initialization failed under certain circumstances
- Other improvements and bug fixes
A special thanks to @CaptainZ for contributing to this update!