Bojie Yang

### Reproduction 1.the http_proxy in my env variables and it's work fine with other tools like curl and wget > env | grep http_proxy http_proxy=http://192.168.2.1:7890 1. Use vite and cloudflare...

Please consider add data-language=mermaid attribute support for pre tag

1

The astro framework generate md(x) mermaid code block like below: ``` .... ``` but right now rehype-mermaid only support: ``` and ``` Please consider support data-language attribute for pre tag...