Added note about running cmd as admin on windows when installing pymel
Added note about running cmd as admin on windows when installing pymel

david-lassonde-adsk/pymel,juggernate/pymel,AtonLerin/pymel,AtonLerin/pymel,david-lassonde-adsk/pymel,leonsooi/pymel,leonsooi/pymel,assumptionsoup/pymel,juggernate/pymel,shrtcww/pymel,assumptionsoup/pymel,shrtcww/pymel