Fix nits in the manifests based on test results

Author: tengqm

content/en/examples/controllers/hpa-rs.yaml

@@ -4,6 +4,7 @@ metadata:
   name: frontend-scaler
 spec:
   scaleTargetRef:
+    apiVersion: apps/v1
     kind: ReplicaSet
     name: frontend
   minReplicas: 3

content/en/examples/dra/resourceclaimtemplate.yaml

@@ -10,7 +10,7 @@ spec:
         exactly:
           deviceClassName: example-device-class
           selectors:
-          - cel:
-              expression: |-
-                device.attributes["driver.example.com"].type == "gpu" &&
-                device.capacity["driver.example.com"].memory == quantity("64Gi")
+            - cel:
+                expression: |-
+                  device.attributes["driver.example.com"].type == "gpu" &&
+                  device.capacity["driver.example.com"].memory == quantity("64Gi")

content/en/examples/policy/quota-vac.yaml

@@ -1,42 +1,41 @@
 apiVersion: v1
-kind: List
-items:
-- apiVersion: v1
-  kind: ResourceQuota
-  metadata:
-    name: pvcs-gold
-  spec:
-    hard:
-      requests.storage: "10Gi"
-      persistentvolumeclaims: "10"
-    scopeSelector:
-      matchExpressions:
-      - operator: In
-        scopeName: VolumeAttributesClass
-        values: ["gold"]
-- apiVersion: v1
-  kind: ResourceQuota
-  metadata:
-    name: pvcs-silver
-  spec:
-    hard:
-      requests.storage: "20Gi"
-      persistentvolumeclaims: "10"
-    scopeSelector:
-      matchExpressions:
-      - operator: In
-        scopeName: VolumeAttributesClass
-        values: ["silver"]
-- apiVersion: v1
-  kind: ResourceQuota
-  metadata:
-    name: pvcs-copper
-  spec:
-    hard:
-      requests.storage: "30Gi"
-      persistentvolumeclaims: "10"
-    scopeSelector:
-      matchExpressions:
-      - operator: In
-        scopeName: VolumeAttributesClass
-        values: ["copper"]
+kind: ResourceQuota
+metadata:
+  name: pvcs-gold
+spec:
+  hard:
+    requests.storage: "10Gi"
+    persistentvolumeclaims: "10"
+  scopeSelector:
+    matchExpressions:
+    - operator: In
+      scopeName: VolumeAttributesClass
+      values: ["gold"]
+---
+apiVersion: v1
+kind: ResourceQuota
+metadata:
+  name: pvcs-silver
+spec:
+  hard:
+    requests.storage: "20Gi"
+    persistentvolumeclaims: "10"
+  scopeSelector:
+    matchExpressions:
+    - operator: In
+      scopeName: VolumeAttributesClass
+      values: ["silver"]
+---
+apiVersion: v1
+kind: ResourceQuota
+metadata:
+  name: pvcs-copper
+spec:
+  hard:
+    requests.storage: "30Gi"
+    persistentvolumeclaims: "10"
+  scopeSelector:
+    matchExpressions:
+    - operator: In
+      scopeName: VolumeAttributesClass
+      values: ["copper"]

content/en/examples/policy/quota.yaml

@@ -1,45 +1,44 @@
 apiVersion: v1
-kind: List
-items:
-- apiVersion: v1
-  kind: ResourceQuota
-  metadata:
-    name: pods-high
-  spec:
-    hard:
-      cpu: "1000"
-      memory: "200Gi"
-      pods: "10"
-    scopeSelector:
-      matchExpressions:
-      - operator: In
-        scopeName: PriorityClass
-        values: ["high"]
-- apiVersion: v1
-  kind: ResourceQuota
-  metadata:
-    name: pods-medium
-  spec:
-    hard:
-      cpu: "10"
-      memory: "20Gi"
-      pods: "10"
-    scopeSelector:
-      matchExpressions:
-      - operator: In
-        scopeName: PriorityClass
-        values: ["medium"]
-- apiVersion: v1
-  kind: ResourceQuota
-  metadata:
-    name: pods-low
-  spec:
-    hard:
-      cpu: "5"
-      memory: "10Gi"
-      pods: "10"
-    scopeSelector:
-      matchExpressions:
-      - operator: In
-        scopeName: PriorityClass
-        values: ["low"]
+kind: ResourceQuota
+metadata:
+  name: pods-high
+spec:
+  hard:
+    cpu: "1000"
+    memory: "200Gi"
+    pods: "10"
+  scopeSelector:
+    matchExpressions:
+    - operator: In
+      scopeName: PriorityClass
+      values: ["high"]
+---
+apiVersion: v1
+kind: ResourceQuota
+metadata:
+  name: pods-medium
+spec:
+  hard:
+    cpu: "10"
+    memory: "20Gi"
+    pods: "10"
+  scopeSelector:
+    matchExpressions:
+    - operator: In
+      scopeName: PriorityClass
+      values: ["medium"]
+---
+apiVersion: v1
+kind: ResourceQuota
+metadata:
+  name: pods-low
+spec:
+  hard:
+    cpu: "5"
+    memory: "10Gi"
+    pods: "10"
+  scopeSelector:
+    matchExpressions:
+    - operator: In
+      scopeName: PriorityClass
+      values: ["low"]