Second Korean l10n work for release-1.14 (#13970)

* Update outdated files in dev-1.14-ko.2 partly (#13879)

* Update outdated files in dev-1.14-ko.2 partly-concepts-contribute-ref (#13890)

* ko: update dev-1.14-ko.2 for docs/tutorials/configuration/configure-redis-using-configmap.md #13738 (#13891)

* Ko trans: translate contribute/participating.md in Korean (#13812)

* Update outdated files of setup and tasks in dev-1.14-ko.2 partly (#13893)

* ko-trans: Fix typo in install-minikube (#13894)

* ko: Add tutorials/stateful-application/zookeeper #12452 (#13523)

* ko: Add tutorials/services/source-ip #12457 (#13524)

Co-authored-by:    Yoon <learder@gmail.com>
Co-authored-by:    June Yi <june.yi@samsung.com>
Co-authored-by:    Seokho <shsongist@gmail.com>

content/ko/docs/contribute/_index.md

@@ -47,7 +47,7 @@ weight: 80
 시작하는 데에 도움이 될 것이다.
 
 - [누구나](/docs/contribute/start/)
-  - 조치 가능한 버그 리포트 제출
+  - 조치 가능한 이슈 열기
 - [멤버](/docs/contribute/start/)
   - 기존 문서 개선
   - [Slack](http://slack.k8s.io/) 또는 [SIG docs 메일링 리스트](https://groups.google.com/forum/#!forum/kubernetes-sig-docs)에서 개선을 위한 아이디어 제시