Remove old (HTML/CSS/JS) source
Create empty Qt project
Add Header item
Add Units item for density independence
Add ViewStack for changing views
Add initial MainView list
Include only a single instance of Units
Add initial filters side panel
Disable input on hidden views
Add readable database
Improve look of filter item
Implement filters list highlight
Add ability to edit notes
Add ability to add new notes
Add ability to delete notes
Add ability to add/remove filters in notes
Rework content system
Finish reworked content system
Fix QML interface with new content system
General improvements to content system