Optimize - 2023/10/03

[calavikevin]

• Fixed an issue where the new file name format did not work properly with different language interfaces
• Fixed UI style
• Automatically create .srt subtitle file link if .ass subtitles are not available
• Added warning message when .ass subtitles are not available and an alternative .srt subtitle file link has been created
• Use a warning message instead of an alert when the selected language does not have subtitles
• Updated changelog & readme

[AdvMaple]

LGTM