add default locale settings

src/app/model/website.php

@@ -24,6 +24,11 @@ class AppModelWebsite
     return $this->_config->url;
   }
 
+  public function getDefaultLocale() : string
+  {
+    return $this->_config->default->locale;
+  }
+
   public function getDefaultUserStatus() : bool
   {
     return $this->_config->default->user->status;

src/config/website.json

@@ -3,6 +3,7 @@
   "url":"",
   "default":
   {
+    "locale":"en-US",
     "user":
     {
       "status": true,