come up with and explain voxel properties

[github-actions]

Clonecraft/scripts/blockManager.gd

Lines 134 to 139 in 3ba4a16

	# TODO come up with and explain voxel properties
	## A list of various unique properties the voxel may have.[br]
	## The current options that have an effect are "air", "replacable", and "incompleteHitbox"
	var properties:Array[StringName]

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This issue was generated by todo-issue based on a TODO comment in 3ba4a16. It's been assigned to @clarence112 because they committed the code.