tldr: update Korean translation, common/t*: add Korean translation (#14645)

* common/t*: add Korean translation

* tldr: update Korean translation

* Update tcc.md

* Update pages.ko/common/tcc.md

Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>

* Update pages.ko/common/tar.md

Co-authored-by: Chooooo <contact@choo.ooo>

* Update pages.ko/common/tarsnap.md

Co-authored-by: Chooooo <contact@choo.ooo>

* Update pages.ko/common/tarsnap.md

Co-authored-by: Chooooo <contact@choo.ooo>

* Update pages.ko/common/transfersh.md

Co-authored-by: Chooooo <contact@choo.ooo>

* Update pages.ko/common/tuir.md

Co-authored-by: Chooooo <contact@choo.ooo>

* Update pages.ko/common/twine.md

Co-authored-by: Chooooo <contact@choo.ooo>

* Update pages.ko/common/twine.md

Co-authored-by: Chooooo <contact@choo.ooo>

---------

Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>
Co-authored-by: Chooooo <contact@choo.ooo>

pages.ko/common/timetrap.md

@@ -0,0 +1,20 @@
+# timetrap
+
+> Ruby로 작성된 간단한 명령줄 시간 추적기.
+> 더 많은 정보: <https://github.com/samg/timetrap>.
+
+- 새 타임시트 생성:
+
+`timetrap sheet {{타임시트}}`
+
+- 5분 전에 시작된 항목 체크인:
+
+`timetrap in --at "{{5분 전}}" {{항목_노트}}`
+
+- 현재 타임시트 표시:
+
+`timetrap display`
+
+- 마지막 항목의 종료 시간 수정:
+
+`timetrap edit --end {{시간}}`