common/n*: add and update Korean translation (#14636)

* common/n*: add and update Korean translation

* Update pages.ko/common/nudoku.md

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

* Update pages.ko/common/ncmpcpp.md

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

* Update pages.ko/common/neofetch.md

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

* Update pages.ko/common/nextflow.md

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

* Update pages.ko/common/nslookup.md

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

* Update pages.ko/common/netserver.md

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

* Update pages.ko/common/nuclei.md

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

* Update pages.ko/common/nuclei.md

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

* Update pages.ko/common/nslookup.md

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

* Update pages.ko/common/nextflow.md

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

* Update pages.ko/common/nvm.fish.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/nkf.md

@@ -0,0 +1,28 @@
+# nkf
+
+> 네트워크 한자 필터: 한자 코드를 하나의 인코딩에서 다른 인코딩으로 변환.
+> 더 많은 정보: <https://manned.org/nkf>.
+
+- UTF-8 인코딩으로 변환:
+
+`nkf -w {{경로/대상/파일.txt}}`
+
+- SHIFT_JIS 인코딩으로 변환:
+
+`nkf -s {{경로/대상/파일.txt}}`
+
+- UTF-8 인코딩으로 변환하고 파일 덮어쓰기:
+
+`nkf -w --overwrite {{경로/대상/파일.txt}}`
+
+- LF를 새 줄 코드로 사용하고 덮어쓰기 (UNIX 타입):
+
+`nkf -d --overwrite {{경로/대상/파일.txt}}`
+
+- CRLF를 새 줄 코드로 사용하고 덮어쓰기 (Windows 타입):
+
+`nkf -c --overwrite {{경로/대상/파일.txt}}`
+
+- MIME 파일을 해독하고 덮어쓰기:
+
+`nkf -m --overwrite {{경로/대상/파일.txt}}`