Update Korean translation

    <!-- Import / Export -->

    <string name="importing">가져오는 중…</string>

    <string name="exporting">내보내는 중…</string>

    <string name="importing_successful">Importing successful</string>

    <string name="exporting_successful">Exporting successful</string>

    <string name="importing_failed">Importing failed</string>

    <string name="exporting_failed">Exporting failed</string>

    <string name="importing_some_entries_failed">Importing some entries failed</string>

    <string name="exporting_some_entries_failed">Exporting some entries failed</string>

    <string name="no_entries_for_exporting">No entries for exporting have been found</string>

    <string name="importing_successful">가져오기 성공</string>

    <string name="exporting_successful">내보내기 성공</string>

    <string name="importing_failed">가져오기 실패</string>

    <string name="exporting_failed">내보내기 실패</string>

    <string name="importing_some_entries_failed">일부항목 가져오기에 실패함</string>

    <string name="exporting_some_entries_failed">일부항목 내보내기에 실패함</string>

    <string name="no_entries_for_exporting">내보낼 수 있는 항목을 찾을 수 없음</string>

    <!-- About -->

    <string name="about">앱정보</string>