…ll 2 time logic into he mehtod

…method

Simplify stream.filter...count == 0 into noneMatch method
Modify privates List VisitedLocation and UserReward into copyOnWriteArrayList
Simplify addUserReward because always return true

etape-2 doned

…easely withtout implement to much logic into the conroller class

…ing to much code into the new method getNearByAttractionDtos (TourGuideService)

…tions

Add new getNearByAttractionDtos method to use it into TourGuideController where it returns the five closest attraction from user

…ce.getNearByAttractionDtos and return a complete object NearAttractionDto

…ttractionDtos

…ewardService