add the English TOC

_Sidebar.md

@@ -1,5 +1,7 @@
-## 目录
+## 中文版
+### 目录
 - [升级日志](升级日志)
+- [路线图](路线图)
 - 基本使用
   + [安装](安装)
   + [配置与初始化](配置与初始化)
@@ -27,4 +29,33 @@
 
 - 其它
   + [错误处理](错误处理)
-  + [自定义缓存](自定义缓存)
+  + [自定义缓存](自定义缓存)
+
+## English
+
+### Table of Contents
+- [Release Notes](release_notes)
+- [Roadmap](roadmap)
+- General
+  + [Installation](installation)
+  + [Configuration & Initiation](configuration_initiation)
+  + [Hosting the Multiple Public Service](hosting_multi-public_service)
+  + [The Wechat Verification](hosting_verification)
+  + [Handling Message](handling_message)
+  + [The Wechat Message](wechat_message)
+  + [The Wechat Event](wechat_event)
+- Features
+  + [User and Group](user_and_group_management_service)
+  + [Hotline Service and Feedback](customer_service_and_message_feedback_service)
+  + [Multi-Hotline Service and Transfer](multi-hotline_service_and_message_transfer_service)
+  + [Web Authorization](web_authorization_service)
+  + [Template Message](template_message_service)
+  + [Menu Interface](menu_customization_service)
+  + [Multimedia resources Management](multimedia_resources_mangement_service)
+  + [Card Management](wxcard_management_service)
+  + [Store Management](store_management_service)
+  + [Javascript SDK](javascript_sdk)
+  + [QR Code](qrcode_generation_service)
+  + [Short URL Service](short_url_service)
+  + [Translation Service](translation_service)
+  + [Statistics](statistics_service)