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/sslscan.md

@@ -0,0 +1,16 @@
+# sslscan
+
+> 서버에서 지원하는 SSL/TLS 프로토콜 및 암호를 검사.
+> 더 많은 정보: <https://github.com/rbsec/sslscan>.
+
+- 포트 443에서 서버 테스트:
+
+`sslscan {{example.com}}`
+
+- 지정된 포트에서 테스트:
+
+`sslscan {{example.com}}:{{465}}`
+
+- 인증서 정보 표시:
+
+`testssl --show-certificate {{example.com}}`