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/sindresorhus.md

@@ -0,0 +1,8 @@
+# sindresorhus
+
+> Sindre Sorhus의 개인 CLI.
+> 더 많은 정보: <https://github.com/sindresorhus/sindresorhus-cli>.
+
+- Sindre의 대화형 CLI 시작:
+
+`sindresorhus`