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

learn/learn-kubernetes-master/kiamol/ch05/exercises/5.05.sh

@@ -0,0 +1,10 @@
+cd /kiamol/ch05
+
+kubectl apply -f pi/nginx-with-hostPath.yaml
+kubectl exec deploy/pi-proxy -- ls -l /data/nginx/cache
+
+#
+curl http://localhost:8080/?dp=30000
+
+kubectl delete pod -l app=pi-proxy
+kubectl exec deploy/pi-proxy -- ls -l /data/nginx/cache