First Korean l10n work for release-1.15 (#15356)

* Translate concepts/workloads/controllers/replicationcontroller in Korean (#15044)
* ko: Update outdated 1.14-ko.4 branch (#15099)
* Translate tasks/access-application-cluster/configure-access-multiple-clusters in Korean (#15121)
* Translate standardized glossary items in Tag Network into Korean (#15278)
* ko: Keep up with upstream - renamed files (#15030)

Co-Authored-By: Seokho <shsongist@gmail.com>
Co-Authored-By: lapee79 <lapee79@gmail.com>
Co-Authored-By: Yoon <learder@gmail.com>
Co-Authored-By: June Yi <june.yi@samsung.com>

content/ko/examples/controllers/replication.yaml

@@ -0,0 +1,19 @@
+apiVersion: v1
+kind: ReplicationController
+metadata:
+  name: nginx
+spec:
+  replicas: 3
+  selector:
+    app: nginx
+  template:
+    metadata:
+      name: nginx
+      labels:
+        app: nginx
+    spec:
+      containers:
+      - name: nginx
+        image: nginx
+        ports:
+        - containerPort: 80

content/ko/examples/service/load-balancer-example.yaml

@@ -0,0 +1,21 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  labels:
+    app.kubernetes.io/name: load-balancer-example
+  name: hello-world
+spec:
+  replicas: 5
+  selector:
+    matchLabels:
+      app.kubernetes.io/name: load-balancer-example
+  template:
+    metadata:
+      labels:
+        app.kubernetes.io/name: load-balancer-example
+    spec:
+      containers:
+      - image: gcr.io/google-samples/node-hello:1.0
+        name: hello-world
+        ports:
+        - containerPort: 8080