Translate sidebar header

Author: kazupon

themes/vue/layout/partials/sidebar.ejs

@@ -3,7 +3,13 @@
         <%- partial('partials/main_menu') %>
     </ul>
     <div class="list">
-        <h2><%- type.charAt(0).toUpperCase() + type.slice(1) %></h2>
+        <% if (type === 'guide') { %>
+        <h2>ガイド</h2>
+        <% } else if (type === 'api') { %>
+        <h2>API</h2>
+        <% } else if (type === 'examples') { %>
+        <h2>例</h2>
+        <% } %>
         <ul class="menu-root">
             <% site.pages.find({type: type}).sort('order').each(function (p) { %>
                 <li><a href="/<%- p.path %>" class="sidebar-link<%- page.title === p.title ? ' current' : '' %>"><%- p.title %></a></li>