Third Korean l10n work for release 1.18

- Translate cluster-administration/networking.md in Korean
- Fix issue with concepts/storage/volumes.md
- Translate /concepts/configuration/pod-overhead in Korean
- Update to Outdated files in the dev-1.18-ko.3 branch.
- Translate concepts/configuration/configmap.md in Korean
- Translate contribute/review/reviewing-prs/ in Korean
- Translate concepts/configuration/pod-priority-preemption.md in Korean
- Translate tasks/configure-pod-container/configure-volume-storage in Korean
- Translate contribute/new-content/new-content/ in Korean
- Translate concepts/architecture/control-plane-node-communication.md in Korean
- Restore the deleted master-node-communication.md file
- Translate concepts/cluster-administration/addons.md in Korean
- Translate contribute/new-content/overview/ in Korean
- Translate tasks/tools/install-kubectl.md in Korean
- Translate concepts/configuration/manage-resources-containers.md in Korean
- Translate tasks/administer-cluster/kubeadm/kubeadm-upgrade/ in Korean
- add new words to Korean glossary and fix minor
- Translate contribute/style/_index.md in Korean
- Translate concepts/cloud-administration/cloud-providers.md in Korean
- Translate contribute/review/for-approvers.md in Korean

Co-authored-by:    Jerry Park <jaehwa@gmail.com>
Co-authored-by:    Seokho Son <shsongist@gmail.com>
Co-authored-by:    jmyung <jesang.myung@gmail.com>
Co-authored-by:    coolguyhong <podolsmith@naver.com>
Co-authored-by:    Yuk, Yongsu <ysyukr@gmail.com>
Co-authored-by:    bluefriday <bluefriday86@gmail.com>
Co-authored-by:    SangshikLee <neolss@gmail.com>

content/ko/docs/tasks/run-application/horizontal-pod-autoscale-walkthrough.md

@@ -232,7 +232,7 @@ CPU 외에 다른 메트릭을 지정할 수 있는데, 기본적으로 지원
 이 자원들은 한 클러스터에서 다른 클러스터로 이름을 변경할 수 없으며,
 `metrics.k8s.io` API가 가용한 경우 언제든지 사용할 수 있어야 한다.
 
-또한, `AverageUtilization` 대신 `AverageValue`의 `target` 타입을,
+또한, `Utilization` 대신 `AverageValue`의 `target` 타입을,
 그리고 `target.averageUtilization` 대신 `target.averageValue`로 설정하여
 자원 메트릭을 퍼센트 대신 값으로 명시할 수 있다.
 

content/ko/docs/tasks/run-application/horizontal-pod-autoscale.md

@@ -71,7 +71,7 @@ HorizontalPodAutoscaler는 보통 일련의 API 집합(`metrics.k8s.io`,
 참조한다. HorizontalPodAutoscaler는 힙스터(Heapster)에서 직접 메트릭을 가져올 수도 있다.
 
 {{< note >}}
-{{< feature-state state="deprecated" for_k8s_version="1.11" >}}
+{{< feature-state state="deprecated" for_k8s_version="v1.11" >}}
 힙스터에서 메트릭 가져오기는 Kubernetes 1.11에서 사용 중단(deprecated)됨.
 {{< /note >}}