Docs/sangshuduo/td 13307 add desc to index (#10319)

* [TD-13307]<docs>: add description to docs index.

* fix the link of how to use taosBenchmark

* fix wrong links

* fix markdown format

* refine getting started section

* update

documentation20/cn/02.getting-started/docs.md

@@ -10,7 +10,7 @@ TDengine 支持 X64/ARM64/MIPS64/Alpha64 硬件平台，后续将支持 ARM32、
 
 请参考我们的 [TDengine github 主页](https://github.com/taosdata/TDengine) 下载源码并安装.
 
-### 通过 Docker 容器运行 TDengine
+### 通过 Docker 容器安装
 
 ```
 docker run -d -p 6030-6049:6030-6049 -p 6030-6049:6030-6049/udp tdengine/tdengine
@@ -34,7 +34,7 @@ TDengine 的安装非常简单，从下载到安装成功仅仅只要几秒钟
 
 <ul id="client-packagelist" class="package-list"></ul>
 
-## taosTools
+## 安装 taosTools
 
 taosTools 是多个用于 TDengine 的辅助工具软件集合。目前包含用于数据备份恢复的 taosdump 和用于安装 grafanaplugin 和 dashboard 的脚本 TDinsight.sh。
 

documentation20/en/02.getting-started/docs.md

@@ -10,7 +10,7 @@ TDengine supports X64/ARM64/MIPS64/Alpha64 hardware platforms and will support A
 
 Please visit our [TDengine github page](https://github.com/taosdata/TDengine) for instructions on installation from the source code.
 
-### Run TDengine with Docker Container
+### Install with Docker Container
 
 ```
 docker run -d -p 6030-6049:6030-6049 -p 6030-6049:6030-6049/udp tdengine/tdengine
@@ -28,7 +28,7 @@ TDengine is very easy to install, from download to successful installation in ju
 
 For details of the installation process, please refer to [Installation and Uninstallation of TDengine Multiple Installers](https://www.taosdata.com/en/documentation/install).
 
-## Install TDengine client only
+## Install client only
 
 If the client and server are running on different computers, you can install the client separately. When downloading, please note that the selected client version number should strictly match the server version number downloaded above. Linux and Windows installation packages are as follows (the lite version of the installer comes with connection support for the C/C++ language only, while the standard version of the installer also contains
 and sample code):