Pontoon: Update Korean (ko) localization of Test Pilot: Notes

Localization authors:
- Hyeonseok Shin <hyeonseok@gmail.com>
- EndGameNow_ <sungmin7062@gmail.com>

Author: hyeonseok

locales/ko/notes.properties

@@ -120,6 +120,7 @@ welcomeHeadline=Firefox와 동기화되는 간단하고 안전한 노트 앱
 signIn=로그인
 
 # LOCALIZATION NOTE (usageHint): This string is the login panel of the mobile app
+usageHint=Notes를 사용하려면, Firefox 계정과 Firefox Test Pilot에서 제공하는 무료 Notes 브라우저 부가 기능이 필요합니다.
 
 # LOCALIZATION NOTE (usageLearnMore): This string is a link to the documentation
 usageLearnMore=자세히 알아보기
@@ -131,6 +132,7 @@ drawerBtnFeedback=의견 보내기
 drawerBtnLogOut=로그아웃
 
 # LOCALIZATION NOTE (toastOffline): This string shows up as an Android notification toast.
+toastOffline=현재 연결되어 있지 않습니다.
 
 # LOCALIZATION NOTE (toastLoggedInAs): Notification, {email} is the user's Firefox Account email.
 toastLoggedInAs={email} 메일로 로그인됨
@@ -139,6 +141,7 @@ toastLoggedInAs={email} 메일로 로그인됨
 toastLoggedInError=문제가 발생했습니다. {err}
 
 # LOCALIZATION NOTE (statusLabelOffline): Shows the offline status label in the mobile app options drawer
+statusLabelOfflineDrawer=오프라인
 
 # LOCALIZATION NOTE (statusLabelSyncing): Shows the syncing status label in the mobile app options drawer
 statusLabelSyncingDrawer=동기화 중…
@@ -148,8 +151,10 @@ statusLabelOpeningLoginDrawer=로그인 화면을 여는 중…
 
 # LOCALIZATION NOTE (statusLabelTimeDrawer): {time} is the time of syncing. Such as 5:33pm or 17:33. If this
 # structure doesn't work for your locale, you can translate this as "Synced ({time})". Status label in the mobile app options drawer
+statusLabelTimeDrawer={time}에 마지막 동기화
 
 # LOCALIZATION NOTE (editorLabelOffline): Shows the offline status in the editor
+editorLabelOffline=오프라인
 
 # LOCALIZATION NOTE (editorLabelSyncing): Shows the syncing status in the editor
 editorLabelSyncing=동기화 중…