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/sails.md

@@ -0,0 +1,24 @@
+# sails
+
+> Node.js 위에 구축된 실시간 엔터프라이즈 레벨 MVC 프레임워크.
+> 더 많은 정보: <https://sailsjs.com>.
+
+- Sails 시작:
+
+`sails lift`
+
+- 새 Sails 프로젝트 생성:
+
+`sails new {{프로젝트이름}}`
+
+- Sails API 생성:
+
+`sails generate {{이름}}`
+
+- Sails 컨트롤러 생성:
+
+`sails generate controller {{이름}}`
+
+- Sails 모델 생성:
+
+`sails generate model {{이름}}`