Consolidate YAML files [part-10] (#9362)

* Consolidate YAML files [part-10]

This PR relocates the YAML files used by the pod configuration topic.

* Update examples_test.go

* Update examples_test.go

* Update examples_test.go

* Update examples_test.go

* Update examples_test.go

content/en/examples/pods/lifecycle-events.yaml

@@ -0,0 +1,16 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: lifecycle-demo
+spec:
+  containers:
+  - name: lifecycle-demo-container
+    image: nginx
+    lifecycle:
+      postStart:
+        exec:
+          command: ["/bin/sh", "-c", "echo Hello from the postStart handler > /usr/share/message"]
+      preStop:
+        exec:
+          command: ["/usr/sbin/nginx","-s","quit"]
+