[Bug] Shell scripts don't get rendered correctly

Attached are screenshots of the actual text vs. what gets rendered.

It looks like maybe something weird is happening with the `$` symbol escaping.

Here's the blog post: https://blog.tinaciousdesign.com/android-apps-are-reading-your-clipboard-heres-how-you-can-stop-them#revoking-clipboard-read-access-from-an-app-manually

## Actual

## Rendered on the blog

复现 issue #93 中链接的博客文章所述的不一致，比较实际的 shell 脚本与渲染结果，并重点关注 `$` 字符。跟踪博客对 shell 代码的渲染路径，然后验证渲染后的输出保留了脚本文本，并且与源示例一致。

由索引模型根据 Issue 内容生成。