add extra documentation about selectionPalette and localStorageKey - issue #189
add extra documentation about selectionPalette and localStorageKey - issue #189

shawinder/spectrum,maurojs25/spectrum,kotmatpockuh/spectrum,liitii/spectrum,safareli/spectrum,liitii/spectrum,armanforghani/spectrum,ginlime/spectrum,maurojs25/spectrum,bgrins/spectrum,ajssd/spectrum,GerHobbelt/spectrum,kotmatpockuh/spectrum,bgrins/spectrum,armanforghani/spectrum,shawinder/spectrum,ajssd/spectrum,c9s/spectrum,safareli/spectrum,ginlime/spectrum,GerHobbelt/spectrum