First Korean l10n work for release-1.16 (#16551)

* Modify #16415, #16417 korean docs. (#16467)
* Modify #16364 and links in korean docs. (#16508)
* Translate concepts/workloads/controllers/statefulset.md in Korean (#16443)
* Update outdated content in dev-1.16-ko.1 (#16502)
* Translate concepts/workloads/controllers/daemonset.md in Korean (#16477)
* Translate concepts/services-networking/dns-pod-service in Korean (#16299)

Co-Authored-By: June Yi <june.yi@samsung.com>
Co-Authored-By: Yoon <learder@gmail.com>
Co-Authored-By: Seokho Son <shsongist@gmail.com>
Co-Authored-By: SoHye Choi <wergreat10@naver.com>
Co-Authored-By: Yuk, Yongsu <ysyukr@gmail.com>

content/ko/examples/service/networking/custom-dns.yaml

@@ -0,0 +1,20 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  namespace: default
+  name: dns-example
+spec:
+  containers:
+    - name: test
+      image: nginx
+  dnsPolicy: "None"
+  dnsConfig:
+    nameservers:
+      - 1.2.3.4
+    searches:
+      - ns1.svc.cluster-domain.example
+      - my.dns.search.suffix
+    options:
+      - name: ndots
+        value: "2"
+      - name: edns0