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

learn/learn-kubernetes-master/kiamol/ch05/exercises/5.13.sh

@@ -0,0 +1,10 @@
+cd /kiamol/ch05
+
+kubectl apply -f todo-list/web/
+kubectl wait --for=condition=Ready pod -l app=todo-web
+kubectl get svc todo-web -o jsonpath='http://{.status.loadBalancer.ingress[0].*}:8081/new'
+
+#
+
+kubectl delete pod -l app=todo-db
+kubectl exec deploy/sleep -- ls -l /node-root/volumes/pv01/pg_wal