Add new plugin casc

Author: LinuxSuRen

README.md

@@ -6,4 +6,5 @@
 | Name | Description | Release | Downloads |
 |---|---|---|---|
 | [account](https://github.com/jenkins-zh/jcli-account-plugin) | Allow you to setup a set of config item from git | [![GitHub release](https://img.shields.io/github/release/jenkins-zh/jcli-account-plugin.svg?label=release)](https://github.com/jenkins-zh/jcli-account-plugin/releases/latest) | ![GitHub All Releases](https://img.shields.io/github/downloads/jenkins-zh/jcli-account-plugin/total) |
+| [casc](https://github.com/jenkins-zh/jcli-casc-plugin) | Jenkins Configuration as Code | [![GitHub release](https://img.shields.io/github/release/jenkins-zh/jcli-casc-plugin.svg?label=release)](https://github.com/jenkins-zh/jcli-casc-plugin/releases/latest) | ![GitHub All Releases](https://img.shields.io/github/downloads/jenkins-zh/jcli-casc-plugin/total) |
 | [ishell](https://github.com/jenkins-zh/jcli-ishell-plugin) | Manage your Jenkins job as interactive way | [![GitHub release](https://img.shields.io/github/release/jenkins-zh/jcli-ishell-plugin.svg?label=release)](https://github.com/jenkins-zh/jcli-ishell-plugin/releases/latest) | ![GitHub All Releases](https://img.shields.io/github/downloads/jenkins-zh/jcli-ishell-plugin/total) |

casc.yaml

@@ -0,0 +1,5 @@
+use: casc
+short: Jenkins Configuration as Code
+long: Jenkins Configuration as Code
+main: jcli-casc-plugin
+version: v0.0.2