Merge release 1.14 into 1.15. (#16439)

1. Confirm the document content is similar as en version.
2. Merge the zh release-1.14 version into 1.15 version
3. add the 1.14 all sample into 1.15 for template work. The build looks fine.

- docs
  - concepts
    - architecture

content/zh/examples/admin/sched/my-scheduler.yaml

@@ -0,0 +1,67 @@
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: my-scheduler
+  namespace: kube-system
+---
+kind: ClusterRoleBinding
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: my-scheduler-as-kube-scheduler
+subjects:
+- kind: ServiceAccount
+  name: my-scheduler
+  namespace: kube-system
+roleRef:
+  kind: ClusterRole
+  name: kube-scheduler
+  apiGroup: rbac.authorization.k8s.io
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  labels:
+    component: scheduler
+    tier: control-plane
+  name: my-scheduler
+  namespace: kube-system
+spec:
+  selector:
+    matchLabels:
+      component: scheduler
+      tier: control-plane
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        component: scheduler
+        tier: control-plane
+        version: second
+    spec:
+      serviceAccountName: my-scheduler
+      containers:
+      - command:
+        - /usr/local/bin/kube-scheduler
+        - --address=0.0.0.0
+        - --leader-elect=false
+        - --scheduler-name=my-scheduler
+        image: gcr.io/my-gcp-project/my-kube-scheduler:1.0
+        livenessProbe:
+          httpGet:
+            path: /healthz
+            port: 10251
+          initialDelaySeconds: 15
+        name: kube-second-scheduler
+        readinessProbe:
+          httpGet:
+            path: /healthz
+            port: 10251
+        resources:
+          requests:
+            cpu: '0.1'
+        securityContext:
+          privileged: false
+        volumeMounts: []
+      hostNetwork: false
+      hostPID: false
+      volumes: []

content/zh/examples/admin/sched/pod1.yaml

@@ -0,0 +1,10 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: no-annotation
+  labels:
+    name: multischeduler-example
+spec:
+  containers:
+  - name: pod-with-no-annotation-container
+    image: k8s.gcr.io/pause:2.0

content/zh/examples/admin/sched/pod2.yaml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: annotation-default-scheduler
+  labels:
+    name: multischeduler-example
+spec:
+  schedulerName: default-scheduler
+  containers:
+  - name: pod-with-default-annotation-container
+    image: k8s.gcr.io/pause:2.0

content/zh/examples/admin/sched/pod3.yaml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: annotation-second-scheduler
+  labels:
+    name: multischeduler-example
+spec:
+  schedulerName: my-scheduler
+  containers:
+  - name: pod-with-second-annotation-container
+    image: k8s.gcr.io/pause:2.0