Add User route and Refactor code

server/enums/permissions/permission.go

@@ -0,0 +1,16 @@
+package permissions
+
+type Permission int
+
+const (
+	ThaiPermission Permission = 1 << iota
+	MalayPermission
+	AusPermission
+	// NOTE: Add more permission here
+
+	SuperAdmin
+)
+
+func (userPermissions Permission) IsHavePermission(requiredPermissions Permission) bool {
+	return (userPermissions & requiredPermissions) == requiredPermissions
+}