add faq tag and view

docs/source_en/FAQ.md

 # FAQ
 
+`Ascend` `GPU` `CPU` `Environmental Setup` `Model Export` `Model Training` `Beginner` `Intermediate` `Expert`
+
 <!-- TOC -->
 
 - [FAQ](#faq)
@@ -16,6 +18,7 @@
     - [Supported Features](#supported-features)
 
 <!-- /TOC -->
+<a href="https://gitee.com/mindspore/docs/blob/master/docs/source_en/FAQ.md" target="_blank"><img src="./_static/logo_source.png"></a>
 
 ## Installation
 

docs/source_zh_cn/FAQ.md

 # FAQ
 
+`Ascend` `GPU` `CPU` `环境准备` `模型导出` `模型训练` `初级` `中级` `高级`
+
 <!-- TOC -->
 
 - [FAQ](#faq)
@@ -16,6 +18,7 @@
     - [特性支持](#特性支持)
 
 <!-- /TOC -->
+<a href="https://gitee.com/mindspore/docs/blob/master/docs/source_zh_cn/FAQ.md" target="_blank"><img src="./_static/logo_source.png"></a>
 
 ## 安装类
 

resource/faq/FAQ_en.md

@@ -16,6 +16,8 @@
     - [Supported Features](#supported-features)
 
 <!-- /TOC -->
+This document has been transferred to a [new location](https://www.mindspore.cn/docs/en/master/FAQ.html). This page will be offline later。
+
 
 ## Installation
 

resource/faq/FAQ_zh_cn.md

@@ -16,6 +16,7 @@
     - [特性支持](#特性支持)
 
 <!-- /TOC -->
+此文档已经转移到[新的位置](https://www.mindspore.cn/docs/zh-CN/master/FAQ.html)，此页面后续会下线。
 
 ## 安装类