Changed settings length struct

modules/config/config.go

@@ -39,6 +39,11 @@ type rabbitmq struct {
 
 type settings struct {
 	ExpiredTime       int
+	DefaultLanguageId int
+	Lengths           settingsLengths `toml:"lengths"`
+}
+
+type settingsLengths struct {
 	UsernameMinLen int
 	UsernameMaxLen int
 	EmailMinLen    int