Add rule to catch vendor prefixes
Add rule to catch vendor prefixes

This allows - signs here to not be treated as operators

angryrobot/stylus,baotingfang/stylus,peterkinalex/stylus-1,yetone/stylus,Delapouite/stylus,stylus/stylus,johnnycopperstone/stylus,Panya/stylus,jangarcia/stylus,jameswomack/stylus,ThiagoGarciaAlves/stylus,tyv/stylus,silvaemota/stylus,modulexcite/stylus,PeterWangPo/stylus,meteor/stylus,SimenB/stylus,cemoulto/stylus,rstacruz/stylus,HossainKhademian/Stylus,behzad88/stylus,galenvagen/stylus,jonpacker/stylus,Ricardh522/stylus,trixter5/stylus,Zagorakiss/stylus,a-x-/stylus