[ko]: revise index.md in web/http/index.md

[IMHOJEONG]

Description

#15393 을 통해 관리되는 PR 입니다. web/http/index.md를 번역하였습니다.

Motivation

web/http 폴더를 전체 번역해보고 싶었습니다.

Additional details

Related issues and pull requests

#14965
#15393

[github-actions]

Preview URLs

• /ko/docs/Web/HTTP

Flaws (1)

URL: /ko/docs/Web/HTTP
Title: HTTP
Flaw count: 1

• broken_links:
  • Can use the English (en-US) link as a fallback

External URLs (8)

URL: /ko/docs/Web/HTTP
Title: HTTP

• https://datatracker.ietf.org/doc/html/rfc6265 (1 time) (Note! This may be a new URL 👀)
• https://en.wikipedia.org/wiki/Application_Layer (1 time) (Note! This may be a new URL 👀)
• https://en.wikipedia.org/wiki/Client%E2%80%93server_model (1 time) (Note! This may be a new URL 👀)
• https://en.wikipedia.org/wiki/Stateless_protocol (1 time) (Note! This may be a new URL 👀)
• https://firefox-source-docs.mozilla.org/devtools-user/index.html (1 time) (Note! This may be a new URL 👀)
• https://firefox-source-docs.mozilla.org/devtools-user/network_monitor/index.html (1 time) (Note! This may be a new URL 👀)
• https://web.dev/howbrowserswork/ (1 time) (Note! This may be a new URL 👀)
• https://www.iana.org/assignments/message-headers/message-headers.xhtml (2 times) (Note! This may be a new URL 👀)