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

learn/learn-kubernetes-master/kiamol/ch03/lab/README.md

@@ -0,0 +1,15 @@
+kubectl apply -f deployments.yaml
+
+kubectl get pods
+
+> There are two versions of the web app
+
+[services.yaml](./solution/services.yaml) defines a ClusterIP service for the API and a LoadBalancer service for the web app. The selector for the web service uses two labels to ensure only the v2 pod is included.
+
+```
+kubectl apply -f solution/services.yaml
+```
+
+> http://localhost:8088
+
+![](./solution/numbers-web-v2.png)