Hidenori Matsuoka updates Chord NOTE to v8.2 and Piano Kit to v6.1 for iOS

Hidenori Matsuoka has updated Chord NOTE to v8.2 and Piano Kit to v6.1. These updates include a Chord Hint section, useful for understanding Chord, Key, Chord Progression, Voicing, and Omit Notes.

Changes:

• Added Chord Hint section in Help tab. It will be very helpful in understanding Chord, Key, Chord Progression, Voicing, Omit Notes.
• Added Japanese localization to Chord Hint, Simple Help Text sections.
• Added iOS 17 official support.
• Other minor improvements.