added ckeditors libraries

web/libraries/iframe/lang/ko.js

@@ -0,0 +1,12 @@
+/*
+Copyright (c) 2003-2022, CKSource Holding sp. z o.o. All rights reserved.
+For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-oss-license
+*/
+CKEDITOR.plugins.setLang( 'iframe', 'ko', {
+	border: '프레임 테두리 표시',
+	noUrl: '아이프레임 주소(URL)를 입력해주세요.',
+	scrolling: '스크롤바 사용',
+	title: '아이프레임 속성',
+	toolbar: '아이프레임',
+	tabindex: 'Remove from tabindex' // MISSING
+} );