- Added dockable Markdown heading tree for Notepad++
- Added heading level preset buttons
H1toH5 - Added toolbar button
- Added light and dark theme adaptation
- Added single-click jump-to-heading behavior
- Added tree-style expand and collapse navigation
- Initial public-ready repository layout
- MIT license added
- English and Chinese README files added
- Screenshot moved into
assets/ - Release-oriented documentation added under
docs/ - Tree overflow risk fixed for large Markdown documents
- Tree control theme color handling corrected