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/ngrep.md

@@ -0,0 +1,24 @@
+# ngrep
+
+> 정규식을 사용하여 네트워크 트래픽 패킷을 필터링.
+> 더 많은 정보: <https://github.com/jpr5/ngrep>.
+
+- 모든 인터페이스의 트래픽 캡처:
+
+`ngrep -d any`
+
+- 특정 인터페이스의 트래픽 캡처:
+
+`ngrep -d {{eth0}}`
+
+- 인터페이스 eth0의 포트 22를 지나는 트래픽 캡처:
+
+`ngrep -d {{eth0}} port {{22}}`
+
+- 특정 호스트로부터 또는 특정 호스트로 가는 트래픽 캡처:
+
+`ngrep host {{www.example.com}}`
+
+- 인터페이스 eth0의 'User-Agent:' 키워드 필터링:
+
+`ngrep -d {{eth0}} '{{User-Agent:}}'`