Fix README a bit
Fix README a bit

Sology/smart_listing,Datacom/smart_listing,ronobot/smart_listing,Phitherek/smart_listing,danieljacobarcher/smart_listing,Phitherek/smart_listing,guanglunw/smart_listing,danieljacobarcher/smart_listing,ronobot/smart_listing,ronobot/smart_listing,guanglunw/smart_listing,guanglunw/smart_listing,danieljacobarcher/smart_listing,Sology/smart_listing,Datacom/smart_listing,Phitherek/smart_listing,Sology/smart_listing,Datacom/smart_listing