add itemManagement interface
add itemManagement interface
add itemManagement route
add itemAdd function
change itemsList interface
change category interface
function perfectiion
make interface beatiful
change categoryModifymanagement
perfect details
perfect itemAdd
perfect itemModify
perfect categoryManagement interface
complete categoryService test
complete itemManagementService test
complete categoryAddCtrl test
delete unused lines
complete itemAddCtrl test
complete itemModifyCtrl test
perfect categoryModifyCtrl test