Added further instructions
Added further instructions

ColinOsborn/refresher,JaggedLaw/enums-exercises,andela-otalabi/enums-exercises,andela-ooranagwa/enums-exercises,Jwan622/enums-exercises,andela-otalabi/enums-exercises,andela-oojewale/enums-exercises,MattRooney/enums-exercises,JaggedLaw/enums-exercises,turingschool/enums-exercises,ColinOsborn/refresher,turingschool/enums-exercises,MattRooney/enums-exercises,andela-ooranagwa/enums-exercises,Jwan622/enums-exercises,andela-oojewale/enums-exercises