feat: Add vscode extension vscode-weex url (#201)

* feat: Add vscode extension vscode-weex url
* fix: Modify display name
diff --git a/themes/weex/languages/cn.yml b/themes/weex/languages/cn.yml
index fc89589..25b4e6f 100644
--- a/themes/weex/languages/cn.yml
+++ b/themes/weex/languages/cn.yml
@@ -108,6 +108,7 @@
   toolkit: Weex Toolkit
   market: Weex 插件市场
   helpers: 辅助工具
+  vscodeExtension: VSCode 插件
 playground:
   content: Weex Native 运行时实例 & Weex 文件预览工具。
 categories: Categories
diff --git a/themes/weex/languages/en.yml b/themes/weex/languages/en.yml
index 8be2165..4469ade 100644
--- a/themes/weex/languages/en.yml
+++ b/themes/weex/languages/en.yml
@@ -109,6 +109,7 @@
   toolkit: Weex Toolkit
   market: Weex Market
   helpers: Helpers
+  vscodeExtension: VSCode Extension
 playground:
   content: Weex Native Runtime showcase & Weex we file preview.
 categories: Categories
diff --git a/themes/weex/layout/_partial/header.ejs b/themes/weex/layout/_partial/header.ejs
index bc544de..8e156f7 100644
--- a/themes/weex/layout/_partial/header.ejs
+++ b/themes/weex/layout/_partial/header.ejs
@@ -29,6 +29,9 @@
             <li>
               <a href="<%= url_for_lang('tools/helpers.html') %>"><%= _p('menu.helpers') %></a>
             </li>
+            <li>
+              <a href="https://github.com/weex-cli/vscode-weex" target="_blank"><%= _p('menu.vscodeExtension') %></a>
+            </li>
           </ul>
         </li>
         <li class="dropdown <%= page.path.match(/\/?community\//i) ? 'current': '' %>">