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.yaml

@@ -0,0 +1,24 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: hello
+spec:
+  selector:
+    matchLabels:
+      app: hello
+      tier: backend
+      track: stable
+  replicas: 7
+  template:
+    metadata:
+      labels:
+        app: hello
+        tier: backend
+        track: stable
+    spec:
+      containers:
+        - name: hello
+          image: "gcr.io/google-samples/hello-go-gke:1.0"
+          ports:
+            - name: http
+              containerPort: 80