Code quality

• Update config from how lazer have. karaoke

Editor

• Implement cursor in the lyric editor. karaoke
• Implement click the time-tag to move the cursor. karaoke
• Press space to set the current time in time-tag. karaoke
• Able to split lyrics in the lyric editor. karaoke
• Create a state manager for managing cursor position or mode in the lyric editor. karaoke
• Enable to delete text by mouse position. karaoke
• Add edit lyric step in lyric import step. karaoke
• Let import navigation be interactable.

Fix

• Using better regular expression to parse ruby, romaji, and time-tag. karaoke

Performance

• Fix duplicated calculation in the lyric object. karaoke

Utility

• Implement lyric utility to handle split and combine lyrics. karaoke
• Implement note utility to handle separate and combine notes. karaoke
• Add shifting time tag position in utility for delete lyric purpose. karaoke