add localstorageService in cartCount
add localstorageService in cartItemsList
add localstorageService in cartPayList
add localstorageService in categoryAdd
add localstorageService in categoryMOdify
add localstorageService in itemAdd
add localstorageService in itemAdd
add localstorageService in itemModify
code refactor
add localStorageService to cartItemOperate
add localStorageService to category
add localStorageService to itemManagement
add localStorageService to itemsService
add localStorageService to itemsService test codes
add localStorageService to itemsManagementService test codes
add localStorageService to categoryService test codes
add localStorageService to cartItemOperateService test codes
add localStorageService to AddToCartService test codes
add localStorageService to itemsListCtrl test codes
add localStorageService to itemModifyCtrl test codes