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

learn/learn-kubernetes-master/kiamol/ch05/exercises/README.md

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+# Exercises
+
+These are scripted versions of the exercises in the chapter.
+
+I used them to smoke-test the exercises on different clusters.
+
+You can use them to save typing time, but be aware that it can take a few seconds for the results of the Kubernetes commands to take effect.
+
+So the output won't always be the same as if you manually run the exercises.