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- ko: add outdated files in dev-1.14-ko.1 branch (#13473)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/examples/application/mysql/mysql-services.yaml

@@ -0,0 +1,30 @@
+# Headless service for stable DNS entries of StatefulSet members.
+apiVersion: v1
+kind: Service
+metadata:
+  name: mysql
+  labels:
+    app: mysql
+spec:
+  ports:
+  - name: mysql
+    port: 3306
+  clusterIP: None
+  selector:
+    app: mysql
+---
+# Client service for connecting to any MySQL instance for reads.
+# For writes, you must instead connect to the master: mysql-0.mysql.
+apiVersion: v1
+kind: Service
+metadata:
+  name: mysql-read
+  labels:
+    app: mysql
+spec:
+  ports:
+  - name: mysql
+    port: 3306
+  selector:
+    app: mysql
+