feat: able to check topup history & consumption history (#78, #95)

common/constants.go

@@ -25,6 +25,7 @@ var OptionMap map[string]string
 var OptionMapRWMutex sync.RWMutex
 
 var ItemsPerPage = 10
+var MaxRecentItems = 100
 
 var PasswordLoginEnabled = true
 var PasswordRegisterEnabled = true