docs: add TOC title

Signed-off-by: Wing-Kam Wong <wingkwong.code@gmail.com>

scripts/markdown/readme/languages/chinese.md

@@ -117,6 +117,8 @@ npm start
 ![11](https://user-images.githubusercontent.com/86527202/136066756-fc203c2c-570e-4514-b9f4-2a41ac24e5dd.png)
 <br>
 
+# Table of Contents
+
 - [快速尝试](#快速尝试)
     + [一键式部署](#一键式部署)
       - [Heroku](#heroku)