add chinese translation book link

Signed-off-by: Jia Chao <jiac13@chinaunicom.cn>

src/12_appendix/01_translations.md

@@ -5,3 +5,4 @@ For resources in languages other than English.
 - [Русский](https://doc.rust-lang.ru/async-book/)
 - [Français](https://jimskapt.github.io/async-book-fr/)
 - [فارسی](https://rouzbehsbz.github.io/rust-async-book/)
+- [中文](https://suibianxiedianer.github.io/async-book/)