Update notes: v2.1.0

Update notes v2.0.0 → v2.1.0:

• Added an option to specify whether to blink timer's colon

• Added an option to toggle utilities

• Added a stopwatch mode

• Added an option to toggle stopwatch mode

• Improved text font in music playlist

• Improved widget layout of the note editor

• Improved widget layout of the music player

• Optimized performance of the GUI system

• Optimized GUI animation

• Optimized efficiency when frequently opening the note editing window

• Optimized efficiency of batch music addition

• Fixed a HEX color conversion out-of-bounds bug

• Fixed a bug where the unlock conditions text for items was displayed incorrectly when the vegetarian or fish-free option was selected

• Fixed a button refreshing issue after closing the music player

• Fixed visibility issue with the music tuner interface after entering immersive mode

• Fixed an IME window positioning issue on Windows 10/11

• Fixed a window refreshing issue under dark mode

• Fixed a flickering issue when resizing the note window