add TBD label

src/server/views/admin/app.html

@@ -60,7 +60,7 @@
         </div>
 
         <div class="form-group">
-          <label class="col-xs-3 control-label">{{ t('app_setting.Default Language for new users') }}</label>
+          <label class="col-xs-3 control-label tbd">(TBD) {{ t('app_setting.Default Language for new users') }}</label>
           <div class="col-xs-6">
             <div class="radio radio-primary radio-inline">
                 <input type="radio" id="radioLangEn" name="userForm[globalLang]" value="{{ consts.language.LANG_EN_US }}" {% if user.lang == consts.language.LANG_EN_US %}checked="checked"{% endif %}>