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/tarsnap-keygen.md

@@ -0,0 +1,12 @@
+# tarsnap-keygen
+
+> Tarsnap, 온라인 백업 서비스에서 사용할 키 파일을 생성.
+> 더 많은 정보: <https://www.tarsnap.com/man-tarsnap-keygen.1.html>.
+
+- Tarsnap 서버에 컴퓨터 등록:
+
+`sudo tarsnap-keygen --keyfile {{경로/대상/파일.key}} --user {{사용자_이메일}} --machine {{컴퓨터_이름}}`
+
+- 키 파일 암호화(암호문을 두 번 입력해야 함):
+
+`sudo tarsnap-keygen --keyfile {{경로/대상/파일.key}} --user {{사용자_이메일}} --machine {{컴퓨터_이름}} --passphrased`