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/nudoku.md

@@ -0,0 +1,36 @@
+# nudoku
+
+> 터미널에서 즐기는 스도쿠 게임.
+> 더 많은 정보: <https://jubalh.github.io/nudoku/>.
+
+- 스도쿠 게임 시작:
+
+`nudoku`
+
+- 게임 난이도 선택:
+
+`nudoku -d {{easy|normal|hard}}`
+
+- 보드 탐색:
+
+`{{h|j|k|l}} OR {{왼쪽|아래|위|오른쪽 화살표 키}}`
+
+- 숫자 삭제:
+
+`{{Backspace|x}}`
+
+- 힌트 얻기:
+
+`H`
+
+- 전체 정답 보기:
+
+`S`
+
+- 새로운 퍼즐 생성:
+
+`N`
+
+- 게임 종료:
+
+`Q`