StudyPage: Fix image rendering on initial card
Add support for deleting card specs
Add UI for changing deck new order
Use deck name as page title
Make styling more consistent with previous version
Add UI for creating new decks
Fix editing notes & card specs multiple times
Make card spec editing almost work
Initial work on Card Specs page
Add UI for creating new notes
NotesPage: Disable Edit button when no note selected
EditNoteDialog: Add more rows when filling out placeholder
Initial work on note editing support
Rename sona_gtk to sona-gtk
Include my sqlheavy fork as subproject
Someday this might get packaged but it's not exactly an independent
project at this point
Initial work on Notes page
Add more settings to EditDeckDialog
Initial work on deck editing