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/ninja.md

@@ -0,0 +1,24 @@
+# ninja
+
+> 빠른 빌드를 위해 설계된 빌드 시스템.
+> 더 많은 정보: <https://ninja-build.org/manual.html>.
+
+- 현재 디렉토리에서 빌드:
+
+`ninja`
+
+- 현재 디렉토리에서 빌드하고, 동시에 4개의 작업을 병렬로 실행:
+
+`ninja -j {{4}}`
+
+- 주어진 디렉토리에서 프로그램 빌드:
+
+`ninja -C {{경로/대상/폴더}}`
+
+- 대상 표시 (예: `install` 및 `uninstall`):
+
+`ninja -t targets`
+
+- 도움말 표시:
+
+`ninja -h`