docs: Add section on properties vs getters/setters
docs: Add section on properties vs getters/setters

jodal/pyspotify,kotamat/pyspotify,jodal/pyspotify,mopidy/pyspotify,jodal/pyspotify,felix1m/pyspotify,mopidy/pyspotify,kotamat/pyspotify,felix1m/pyspotify,kotamat/pyspotify,felix1m/pyspotify