Second Korean l10n work for release-1.15 (#15533)

* Reference/tools/v0.1 (#15401)
* Translate reference/glossary/contributor.md in Korean (#15433)
* Translate reference/glossary/cla in Korean (#15436)
* Update what-is-kubernetes.md (#15446)
* Translate glossary components tagged with `Fundamental` into korean (#15426)
* Translate content/ko/docs/concepts/overview/working-with-objects/fiel… (#15393)
* Translate tasks/administer-cluster/cluster-management in Korean (#15472)

Co-Authored-By: lapee79 <lapee79@gmail.com>
Co-Authored-By: alice_k106 <alice_k106@naver.com>
Co-Authored-By: Sunghoon Kang <me@devholic.io>
Co-Authored-By: 박주은 <elpion19@gmail.com>
Co-Authored-By: JiMyung Lee <lee.ji.myung@gmail.com>
Co-Authored-By: Sean Park <seanpark.hh@gmail.com>
Co-Authored-By: Seokho Son <shsongist@gmail.com>

content/ko/docs/reference/glossary/control-plane.md

@@ -0,0 +1,13 @@
+---
+title: 컨트롤 플레인(Control Plane)
+id: control-plane
+date: 2019-05-12
+full_link:
+short_description: >
+  컨테이너의 라이프사이클을 정의, 배포, 관리하기 위한 API와 인터페이스들을 노출하는 컨테이너 오케스트레이션 레이어.
+
+aka:
+tags:
+- fundamental
+---
+  컨테이너의 라이프사이클을 정의, 배포, 관리하기 위한 API와 인터페이스들을 노출하는 컨테이너 오케스트레이션 레이어.