!13 Specification NestOS Project Component Description File

From: @duyiwei7w 
Reviewed-by: @wangyueliang 
Signed-off-by: @wangyueliang

README.md

@@ -1,30 +1,35 @@
 # ignition
 
 #### 介绍
-Ignition is the utility used by NestOS to manipulate disks during the initramfs.
+Ignition is a utility used to manipulate systems during the initramfs.
+This includes partitioning disks, formatting partitions, writing files
+(regular files, systemd units, etc.), and configuring users. On first
+boot, Ignition reads its configuration from a source of truth (remote
+URL, network metadata service, hypervisor bridge, etc.) and applies
+the configuration.
 
-#### 软件架构
-软件架构说明
 
 
 #### 安装教程
 
-1.  xxxx
-2.  xxxx
-3.  xxxx
+Install ignition rpm package:
+
+yum install ignition
 
 #### 使用说明
 
-1.  xxxx
-2.  xxxx
-3.  xxxx
+ignition 是云底座操作系统NestOS的必需组件，详细说明见下
+
+Odds are good that you don't want to invoke Ignition directly. In fact, it isn't even present in the root filesystem. Take a look at the [Getting Started Guide](https://github.com/coreos/ignition/blob/main/docs/getting-started.md) for details on providing Ignition with a runtime configuration.
 
 #### 参与贡献
 
-1.  Fork 本仓库
-2.  新建 Feat_xxx 分支
-3.  提交代码
-4.  新建 Pull Request
+master分支使用最新的上游版本，如果检测到上游有最新版本发布，先形成issue后再提交对应PR更新，流程如下。
+1.  提交issue
+2.  Fork 本仓库
+3.  新建 Feat_xxx 分支
+4.  提交代码
+5.  新建 Pull Request
 
 
 #### 特技