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/screenfetch.md

@@ -0,0 +1,24 @@
+# screenfetch
+
+> 시스템 정보를 표시합니다.
+> 더 많은 정보: <https://github.com/KittyKatt/screenFetch>.
+
+- `screenfetch` 시작:
+
+`screenfetch`
+
+- 스크린샷 찍기 ('scrot' 필요):
+
+`screenfetch -s`
+
+- 배포판 로고 지정:
+
+`screenfetch -A '{{배포판_이름}}'`
+
+- 배포판 로고와 텍스트 지정:
+
+`screenfetch -D '{{배포판_이름}}'`
+
+- 모든 색상 제거:
+
+`screenfetch -N`