perf: don't load mermaid if its not on the page

Jacky Zhao

2024-02-06 34334eabed151cf5fa881d6b34f75107a2d3871e

 docs/features/OxHugo compatibility.md

@@ -32,6 +32,7 @@
  - `replaceFigureWithMdImg`: Whether to replace `<figure/>` with `![]()`
- Formatting
  - `removeHugoShortcode`: Whether to remove hugo shortcode syntax (`{{}}`)
  - `replaceOrgLatex`: Whether to replace org-mode formatting for latex fragments with what `Plugin.Latex` supports.

> [!warning]
>