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/tgatoppm.md

@@ -0,0 +1,20 @@
+# tgatoppm
+
+> TrueVision Targa 파일을 Netpbm 이미지로 변환.
+> 더 많은 정보: <https://netpbm.sourceforge.net/doc/tgatoppm.html>.
+
+- TrueVision Targa 파일을 PPM 이미지로 변환:
+
+`tgatoppm {{경로/대상/파일.tga}} > {{경로/대상/출력.ppm}}`
+
+- TGA 헤더의 정보를 `stdout`로 덤프:
+
+`tgatoppm --headerdump {{경로/대상/파일.tga}} > {{경로/대상/출력.ppm}}`
+
+- 입력 이미지의 투명 채널 값을 지정한 파일에 작성:
+
+`tgatoppm --alphaout {{경로/대상/투명도_파일.pgm}} {{경로/대상/파일.tga}} > {{경로/대상/출력.ppm}}`
+
+- 버전 표시:
+
+`tgatoppm -version`