Music Todo

• Add disable CSS touch action so no pinch zoom. See MDN touch-action page.

• Fix bug where using internal piano with Keyboard produces no sound.

• Create CSS variable being --keyboard-height, set in media query, use in height valc of NotesList in Notes page.

• Create flashShortNoteLabels boolean prop on KeyBoard component.

• Ideally horizontally center notes list on Notes page.

• Save current page URL state to localstorage, open saved state page URL if request URL is base site URL (only if no trailing /).

• Apply vertical gradient to background of navigation bar.

• Add Landmark page being landmark grand staff notes SVG.

• Add Landmark page to Guide.

• Update Guide About page to reflect Music app largely derived from sightreading.training.