Add Deno Korea (#387)

README.md

@@ -52,6 +52,7 @@ This list is a collection of the best Deno modules and resources.
  - [Indonesian](#indonesian)
  - [Italian](#italian)
  - [Japanese](#japanese)
+ - [Korean](#korean)
  - [Russian](#russian)
  - [Spanish](#spanish)
  - [Darija (Arabe marocain)](#darija)
@@ -473,6 +474,10 @@ This list is a collection of the best Deno modules and resources.
 - [Design Mistakes in Node & Deno #kng5 / deno](https://speakerdeck.com/masashi/deno)
 - [Dive into Deno：プロセス起動からTypeScriptが実行されるまで](https://blog.leko.jp/post/code-reading-of-deno-boot-process/)
 
+### Korean
+
+- [Deno Korea](https://deno.kr/) - Deno Korean User Group.
+
 ### Russian
 
 - [Telegram channel](https://t.me/denoland_ru)