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/numfmt.md

@@ -0,0 +1,16 @@
+# numfmt
+
+> 숫자를 사람이 읽기 쉬운 문자열로 변환하거나 그 반대로 변환.
+> 더 많은 정보: <https://www.gnu.org/software/coreutils/numfmt>.
+
+- 1.5K(SI 단위)를 1500으로 변환:
+
+`numfmt --from=si 1.5K`
+
+- 5번째 필드(1부터 시작)를 IEC 단위로 변환하되 헤더는 변환하지 않음:
+
+`ls -l | numfmt --header=1 --field=5 --to=iec`
+
+- IEC 단위로 변환하고, 5자리를 채워 왼쪽 정렬:
+
+`du -s * | numfmt --to=iec --format="%-5f"`