common/s*: add and update Korean translation (#14666)

* common/s*: add and update Korean translation

* scamper: fix typo

* Update pages.ko/common/simplehttpserver.md

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

* Update pages.ko/common/steamcmd.md

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

---------

Co-authored-by: Sebastiaan Speck <shem.speck@gmail.com>
Co-authored-by: Chooooo <contact@choo.ooo>

pages.ko/common/sphinx-build.md

@@ -0,0 +1,12 @@
+# sphinx-build
+
+> Sphinx 문서 생성기.
+> 더 많은 정보: <https://www.sphinx-doc.org/en/master/man/sphinx-build.html>.
+
+- 문서 빌드:
+
+`sphinx-build -b {{html|epub|text|latex|man|...}} {{경로/대상/소스_폴더}} {{경로/대상/빌드_폴더}}`
+
+- readthedocs.io를 위한 문서 빌드 (sphinx-rtd-theme pip 패키지가 필요):
+
+`sphinx-build -b {{html}} {{경로/대상/문서_폴더}} {{경로/대상/빌드_폴더}}`