feat: add lanage switch

resources/views/admin/partials/navbar.blade.php

@@ -49,9 +49,9 @@
                     @endif
                     -->
 
-{{--                    <i class="fa fa-language f16"></i>--}}
-{{--                    <a class="lang-item " href="javascript:void(0);" data-lang="en">English</a>--}}
-{{--                    <a class="lang-item " href="javascript:void(0);" data-lang="zh_CN">中文</a>--}}
+                    <i class="fa fa-language f16"></i>
+                    <a class="lang-item " href="javascript:void(0);" data-lang="en">English</a>
+                    <a class="lang-item " href="javascript:void(0);" data-lang="zh_CN">中文</a>
 
                     <ul class="nav navbar-nav">
                         {{--User Account Menu--}}