add tips for mac docker desktop setup process

many user can't clear and have more pain to install k8s,
use this tip can help fans to easy debug k8s on mac install process.

enjoy it. thanks

README.md

@@ -63,6 +63,15 @@
 
 ![k8s](images/k8s_win.png)
 
+**TIPS**：如果想知道Kubernetes部署的过程，可以通过docker desktop应用日志获得实时安装进程信息：
+
+```bash
+pred='process matches ".*(ocker|vpnkit).*"
+  || (process in {"taskgated-helper", "launchservicesd", "kernel"} && eventMessage contains[c] "docker")'
+/usr/bin/log stream --style syslog --level=debug --color=always --predicate "$pred"
+```
+
+
 
 ### 配置 Kubernetes