fix liveCSS option
fix liveCSS option

should be `liveCSS` to have any effect
johanneswuerbach/tiny-lr,msoute/tiny-lr,mklabs/tiny-lr,PaulinePro/tiny-lr,PaulinePro/tiny-lr,STRML/tiny-lr,STRML/tiny-lr,tardyp/tiny-lr,johanneswuerbach/tiny-lr,elwayman02/mini-lr,MethodGrab/tiny-lr,mattdesl/tiny-lr,tardyp/tiny-lr,driftyco/tiny-lr,msoute/tiny-lr,MethodGrab/tiny-lr,STRML/tiny-lr,PaulinePro/tiny-lr,elwayman02/mini-lr,driftyco/tiny-lr,driftyco/tiny-lr,mattdesl/tiny-lr