pam*: add Korean translation (#14633)

* pam*: add Korean translation

* Update pages.ko/common/pambrighten.md

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

* Update pages.ko/common/pamdice.md

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

* Update pages.ko/common/pampop9.md

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

---------

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

pages.ko/common/pamtofits.md

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+# pamtofits
+
+> Netpbm 이미지를 Flexible Image Transport System (FITS) 형식으로 변환.
+> 같이 보기: `fitstopnm`.
+> 더 많은 정보: <https://netpbm.sourceforge.net/doc/pamtofits.html>.
+
+- Netpbm 이미지를 FITS 형식으로 변환:
+
+`pamtofits {{경로/대상/이미지.pam}} > {{경로/대상/출력.fits}}`