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- Update to Outdated files in the dev-1.18-ko.3 branch.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/reference/glossary/deployment.md

@@ -4,7 +4,7 @@ id: deployment
 date: 2018-04-12
 full_link: /ko/docs/concepts/workloads/controllers/deployment/
 short_description: >
-  복제된(replicated) 애플리케이션을 관리하는 API 오브젝트.
+  클러스터에서 복제된 애플리케이션을 관리한다.
 
 aka:
 tags:
@@ -12,9 +12,10 @@ tags:
 - core-object
 - workload
 ---
- 복제된 애플리케이션을 관리하는 API 오브젝트.
+ 일반적으로 로컬 상태가 없는 파드를 실행하여 복제된 애플리케이션을 관리하는 API 오브젝트.
 
 <!--more-->
 
-각 레플리카는 {{< glossary_tooltip text="파드" term_id="pod" >}}로 표현되며, 파드는 클러스터의 {{< glossary_tooltip text="노드" term_id="node" >}}에 분산된다.
-
+각 레플리카는 {{< glossary_tooltip text="파드" term_id="pod" >}}로 표현되며,
+파드는 클러스터의 {{< glossary_tooltip text="노드" term_id="node" >}}에 분산된다.
+로컬 상태가 필요한 워크로드의 경우 {{< glossary_tooltip term_id="StatefulSet" >}}의 사용을 고려한다.