pre-dev: add lang helper

pkg/lang-helper/lang-helper.go

@@ -0,0 +1,19 @@
+// Package langhelper provides helper functions for language
+package langhelper
+
+import (
+	a "github.com/karincake/apem"
+	l "github.com/karincake/lepet"
+)
+
+type Cfg struct {
+	LangCfg *l.LangCfg `yaml:"langCfg"`
+}
+
+func Populate() {
+	cfg := &Cfg{
+		LangCfg: &l.LangCfg{},
+	}
+	a.ParseCfg(&cfg)
+	l.Init(cfg.LangCfg)
+}