update doc

CONTRIBUTING.md

@@ -143,4 +143,4 @@ Tip: you can use `--versions` to list all available versions.
     docker build .  --build-arg ARTHAS_VERSION=3.1.0 -f Dockerfile-No-Jdk -t hengyunabc/arthas:3.1.0-no-jdk
     docker push hengyunabc/arthas:3.1.0-no-jdk
     ```
-
+* 更新README.md，比如增加了新命令，要加上说明，更新wiki的链接

README.md

@@ -81,9 +81,11 @@ You can enter its interactive interface by executing `as.sh`, or execute `as.sh
 * [Online Tutorials(Recommend)](https://alibaba.github.io/arthas/arthas-tutorials?language=en)
 * [User manual](https://alibaba.github.io/arthas/en)
 * [Installation](https://alibaba.github.io/arthas/en/install-detail.html)
+* [Download](https://alibaba.github.io/arthas/en/download.html)
 * [Quick start](https://alibaba.github.io/arthas/en/quick-start.html)
 * [Advanced usage](https://alibaba.github.io/arthas/en/advanced-use.html)
 * [Commands](https://alibaba.github.io/arthas/en/commands.html)
+* [WebConsole](https://alibaba.github.io/arthas/en/web-console.html)
 * [Docker](https://alibaba.github.io/arthas/en/docker.html)
 * [User cases](https://github.com/alibaba/arthas/issues?q=label%3Auser-case)
 * [Questions and answers](https://github.com/alibaba/arthas/issues?utf8=%E2%9C%93&q=label%3Aquestion-answered+)

README_CN.md

@@ -70,9 +70,11 @@ curl -L https://alibaba.github.io/arthas/install.sh | sh
 * [在线教程(推荐)](https://alibaba.github.io/arthas/arthas-tutorials?language=cn)
 * [用户文档](https://alibaba.github.io/arthas/)
 * [安装](https://alibaba.github.io/arthas/install-detail.html)
+* [下载](https://alibaba.github.io/arthas/download.html)
 * [快速入门](https://alibaba.github.io/arthas/quick-start.html)
 * [进阶使用](https://alibaba.github.io/arthas/advanced-use.html)
 * [命令列表](https://alibaba.github.io/arthas/commands.html)
+* [WebConsole](https://alibaba.github.io/arthas/web-console.html)
 * [Docker](https://alibaba.github.io/arthas/docker.html)
 * [用户案例](https://github.com/alibaba/arthas/issues?q=label%3Auser-case)
 * [常见问题](https://github.com/alibaba/arthas/issues?utf8=%E2%9C%93&q=label%3Aquestion-answered+)