feat: Translate frontend/src/i18n/en.json in ko

88% of minimum 50% translated source file: 'frontend/src/i18n/en.json'
on 'ko'.

Sync of partially translated files: 
untranslated content is included with an empty translation 
or source language content depending on file format

frontend/src/i18n/ko.json

@@ -7,11 +7,11 @@
     "copy": "복사",
     "copyFile": "파일 복사",
     "copyToClipboard": "클립보드 복사",
-    "copyDownloadLinkToClipboard": "Copy download link to clipboard",
+    "copyDownloadLinkToClipboard": "다운로드 링크 복사",
     "create": "생성",
     "delete": "삭제",
     "download": "다운로드",
-    "file": "File",
+    "file": "파일",
     "folder": "Folder",
     "fullScreen": "Toggle full screen",
     "hideDotfiles": "숨김파일(dotfile)을 표시 안함",