update jenkins doc

部署Jenkins.md

-1. sudo wget -O /etc/yum.repos.d/jenkins.repo https://pkg.jenkins.io/redhat-stable/jenkins.repo
-1. sudo wget -O /etc/yum.repos.d/jenkins.repo https://pkg.jenkins.io/redhat-stable/jenkins.repo
-2. sudo rpm --import https://pkg.jenkins.io/redhat-stable/jenkins.io.key
-3. yum install jenkins -y 
+1. 安装jenkins的yum源
+1. 安装jenkins的yum源
+```
+sudo wget -O /etc/yum.repos.d/jenkins.repo https://pkg.jenkins.io/redhat-stable/jenkins.repo
+```
+2. 安装验证源的key
+```
+sudo rpm --import https://pkg.jenkins.io/redhat-stable/jenkins.io.key
+```
+3. 安装jenkins
+```
+yum install jenkins -y
+``` 
 4. 根据指引操作，到服务器上获取token，输入。等等
-5. 安装插件
+5. 安装所需要的插件
     - Active Choices Plug-in
     - Ansible plugin
     - Ant Plugin
@@ -16,12 +25,15 @@
 创建一个maven项目
 ![avatar](./images/commons.png)
 ![avatar](./images/commons2.png)
+输入git地址
 ![avatar](./images/commons3.png)
-# mayi-service
+运行打包命令
+# mayi-service（根据项目按需改动）
 创建一个pipeline项目
 ![avatar](./images/service1.png)
 ![avatar](./images/service2.png)
 ![avatar](./images/service3.png)
+设置选项参数
 ![avatar](./images/service4.png)
 ![avatar](./images/service45.png)
 ![avatar](./images/service5.png)
@@ -122,7 +134,7 @@ pipeline {
   }
 }
 ```
-# restart script(mayi-service配置后必须配置)
+# restart script(mayi-service配置后必须配置)（根据项目按需改动）
 ## 复制的内容
 ```
 if (app.equals("pos")){