update README with beginWith description
update README with beginWith description

PatrykKaczmarek/expecta,jmoody/expecta,tonyarnold/expecta,modocache/expecta,iguchunhui/expecta,modocache/expecta,iosdev-republicofapps/expecta,Lightricks/expecta,iosdev-republicofapps/expecta,jmoody/expecta,jmburges/expecta,specta/expecta,udemy/expecta,ashfurrow/expecta,PatrykKaczmarek/expecta,PatrykKaczmarek/expecta,jmburges/expecta,ashfurrow/expecta,jmoody/expecta,Bogon/expecta,ashfurrow/expecta,jmburges/expecta,suxinde2009/expecta,tonyarnold/expecta,Lightricks/expecta,Bogon/expecta,jmburges/expecta,modocache/expecta,iguchunhui/expecta,iosdev-republicofapps/expecta,udemy/expecta,tonyarnold/expecta,wessmith/expecta,iosdev-republicofapps/expecta,ashfurrow/expecta,PatrykKaczmarek/expecta,suxinde2009/expecta,modocache/expecta,tonyarnold/expecta,wessmith/expecta,jmoody/expecta