- reworked the internal logic to be simpler and more robust
- removed the dedicated HTML editing mode
markdown is a superset of HTML in this context
- fixed layout of the css editor
- introduces a quick edit mode: double-clicking the note's preview area
now opens an inline Ace editor
- Fixes the "edit icon cannot be clicked"
- Changed the parser to add support for more non std markdown
- Markdown links now always open a new tab instead of replacing current
- New optional shiki support for code blocks (check #211 for details)