First Korean I10n work for release-1.14 (#13730)

* First Korean I10n work for release-1.14

- ko: Fix nav-menu sync in tutorials/statefulset #13374 (#13474)
- ko: add outdated files in dev-1.14-ko.1 branch (#13473)
- Translate title of concepts/../image.md Ko (#13507)
- ko: add translation tutorial/stateful-application/cassandra #12450 (#13515)
- Translate reference/kubectl/cheatsheet in Korean (#13549)
- Translate tasks/access-application-cluster/access-cluster in Korean (#13565)
- ko: add tutorials/stateful-application/mysql-wordpress-persistent-vol… (#13516)
- Issue 12838 object management kubectl imperative config (#13657)
- Translate standardized glossary Tag Fandamental in Korean (#13552)

Co-authored-by:    Kim Young Dae <38598117+zer0big@users.noreply.github.com>

Co-authored-by:    Yoon <learder@gmail.com>

Co-authored-by:    lapee79 <lapee79@gmail.com>

Co-authored-by:    Jesang Myung <jesang.myung@gmail.com>

Co-authored-by:    Seokho <shsongist@gmail.com>

Co-authored-by:    Claudia J.Kang <claudiajkang@gmail.com>

Co-authored-by:    June Yi <june.yi@samsung.com>

* Fix conflict : pick-right-solution

content/ko/docs/reference/glossary/rbac.md

@@ -0,0 +1,19 @@
+---
+title: RBAC(역할 기반 엑세스 제어)
+id: rbac
+date: 2018-04-12
+full_link: /docs/reference/access-authn-authz/rbac/
+short_description: >
+  인가 결정을 관리하며, 운영자가 쿠버네티스 API를 통해서 동적으로 엑세스 정책을 설정하게 한다.
+
+aka: 
+tags:
+- security
+- fundamental
+---
+ 인가 결정을 관리하며, 운영자가 {{< glossary_tooltip text="쿠버네티스 API" term_id="kubernetes-api" >}}를 통해서 동적으로 엑세스 정책을 설정하게 해준다.
+
+<!--more--> 
+
+RBAC은 퍼미션(permission) 규칙을 포함하는 *역할* 과 역할에 정의된 퍼미션을 사용자 집합에 부여하는 *역할 바인딩* 을 이용한다.
+