Consolidate YAML files [part-12] (#9364)

* Consolidate YAML files [part-12]

Relocate YAML files referenced by the accessing application topic
and the rest of cluster administration.

* Adjust json shortcodes.

content/en/examples/service/access/hello-service.yaml

@@ -0,0 +1,12 @@
+kind: Service
+apiVersion: v1
+metadata:
+  name: hello
+spec:
+  selector:
+    app: hello
+    tier: backend
+  ports:
+  - protocol: TCP
+    port: 80
+    targetPort: http