Move walkthroughs from user-guide to tutorials. (#8933)

content/en/docs/tutorials/deployment-update.yaml

@@ -0,0 +1,19 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: nginx-deployment
+spec:
+  selector:
+    matchLabels:
+      app: nginx
+  replicas: 2
+  template:
+    metadata:
+      labels:
+        app: nginx
+    spec:
+      containers:
+      - name: nginx
+        image: nginx:1.8 # Update the version of nginx from 1.7.9 to 1.8
+        ports:
+        - containerPort: 80