Update README.md

Author: nuta

README.md

@@ -1,12 +1,7 @@
 # Writing an Operating System in 1,000 Lines
 
-| **Language** | **Translator** |
-| --------- | -------------- |
-| **[English](https://operating-system-in-1000-lines.vercel.app/en)** | [@nuta](https://github.com/nuta) |
-| **[日本語](https://operating-system-in-1000-lines.vercel.app/ja/)** | [@nuta](https://github.com/nuta) |
-| **[简体中文](https://operating-system-in-1000-lines.vercel.app/zh/)** | [@YianAndCode](https://github.com/YianAndCode) |
-| **[한국어](https://operating-system-in-1000-lines.vercel.app/ko/)** | [@JoHwanhee](https://github.com/JoHwanhee) |
+**[English](https://operating-system-in-1000-lines.vercel.app/en)** ∙ **[日本語](https://operating-system-in-1000-lines.vercel.app/ja/)** ∙ **[简体中文](https://operating-system-in-1000-lines.vercel.app/zh/)** *(translated by [@YianAndCode](https://github.com/YianAndCode))* ∙ **[한국어](https://operating-system-in-1000-lines.vercel.app/ko/)** *(translated by [@JoHwanhee](https://github.com/JoHwanhee))*
 
 ![Operating System in 1,000 Lines](./screenshot.png)
 
-This repository contains the source code for the website [Operating System in 1,000 Lines](https://operating-system-in-1000-lines.vercel.app/), and a reference implementation.
+This repository contains the source code for the website [Operating System in 1,000 Lines](https://operating-system-in-1000-lines.vercel.app/), and a reference implementation.