新增learn-kubernetes（https://github.com/yyong-brs/learn-kubernetes）相关文件

learn/learn-kubernetes-master/kiamol/ch11/docker-images/jenkins/scripts/install-plugins.groovy

@@ -0,0 +1,15 @@
+#!groovy
+
+import jenkins.model.Jenkins;
+
+pm = Jenkins.instance.pluginManager
+uc = Jenkins.instance.updateCenter
+
+pm.doCheckUpdatesServer()
+
+["git", "workflow-aggregator"].each {
+    if (! pm.getPlugin(it)) {
+    deployment = uc.getPlugin(it).deploy(true)
+    deployment.get()
+    }
+}