✨ `Note` key names

[demberto]

Algorithm: Note index // 12 for octave and %% 12 for the key names.

PyFLP/pyflp/pattern.py

Lines 148 to 150 in 2ff2d3c

	# TODO Return note names instead of integers
	key = StructProp[int]()
	"""0-131 for C0-B10. Can hold stamped chords and scales also."""

And obviously the docstring needs to be fixed ⚒