Nice Color Note,ToDo, Calendar

12/11/2024

v5.3
Note function optimization:
1. Optimize contrast between note background and text under dark themes
Todo function optimization:
1. Create a Todo for the current day in the calendar view
2. Support to remember the folding status
3. Add the number of Todos in the calendar view
4. Optimize the problem that the calendar view is not refreshed in a timely manner when changing directories
5. Fix known bugs