common/r*: add Korean translation (#14644)

* common/r*: add Korean translation

* Update rtv.md

* Update pages.ko/common/rtv.md

Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>

---------

Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>

pages.ko/common/racket.md

@@ -0,0 +1,24 @@
+# racket
+
+> Racket 언어 인터프리터.
+> 더 많은 정보: <https://racket-lang.org>.
+
+- REPL(대화형 셸) 시작:
+
+`racket`
+
+- Racket 스크립트 실행:
+
+`racket {{경로/대상/스크립트.rkt}}`
+
+- Racket 표현식 실행:
+
+`racket --eval "{{표현식}}"`
+
+- 모듈을 스크립트로 실행 (옵션 목록 종료):
+
+`racket --lib {{모듈_이름}} --main {{인수}}`
+
+- `typed/racket` 해시랭을 위한 REPL(대화형 셸) 시작:
+
+`racket -I typed/racket`