Change title to NoteDown
Change name to NoteDown
Change name to NoteDown
Change app name to NoteDown
Change app name to NoteDown
Change app name to NoteDown; Add get_categories method
Change app name to NoteDown
Change app name to NoteDown
Use site.get_categories for categories list instead of site.categories
Add listing of sub category notes
Change app name to NoteDown
Add test_site directory to tests directory for test cases