Show scale or arp/chord notes relevant to chord being displayed

[KCarlile]

Background

Suggested by John (Checo), a trumpet player who thought it might be helpful for people to learn the notes as they play.

Acceptance Criteria

• Options exist to:
  • Select whether notes are displayed
  • Specify if scale or arpeggio/chords are displayed
  • Specify if names ore degrees are displayed
• If specified, notes are displayed beneath the chord

Approach

• Add a checkbox for "Display notes"
• If "Display notes" is checked:
  • Expand to show a radio option for "Scale" or "Arpeggio/chord"
  • Expand to show a radio option for "Names (C, D, E...)" or "Degrees (1, 2, 3)"
• If display notes is selected, the note names or scale degrees for chords or arpeggios are displayed beneath the chord name

Notes

Rather than having a ton of arrays, consider doing this more dynamically, if possible