EasyViewer-epub,Comic,Text,PDF

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- Add QR code scan menu (Thanks to 김홍곤)
- Fix epub parser
- Add menu to load TTS filters from third-party apps (Thanks to 책읽자)
- Fix bug in multi-select file UI (Thanks to blinkant op)
- Add random sort option (Thanks to 박영훈)
- Fix file extension filter error (Thanks to William Kim)
- Fix main file list UI (Thanks to 김재민)
- Add [apply current folder thumbnail] menu (Thanks to 김재민)
Can create folder thumbnail with selected file
- Improved bookmark
Fix bookmarks selection/deletion