English original link in header dropdown

Author: gbezyuk

themes/vue/layout/partials/language_dropdown.ejs

@@ -1,6 +1,7 @@
 <li class="nav-dropdown-container language">
   <a class="nav-link">Translations</a><span class="arrow"></span>
   <ul class="nav-dropdown">
+    <li><a href="https://vuejs.org/" class="nav-link" target="_blank">English</a></li>
     <li><a href="https://ru.vuejs.org/" class="nav-link" target="_blank">Русский</a></li>
     <li><a href="https://cn.vuejs.org/" class="nav-link" target="_blank">中文</a></li>
     <li><a href="https://jp.vuejs.org/" class="nav-link" target="_blank">日本語</a></li>