[Routing & navigation]: Need more detail and clarity on data preloading

[justin13888]

📚 Subject area/topic

/solid-router/reference/load-functions/load.mdx

📋 Page(s) affected (or suggested, for new content)

https://docs.solidjs.com/guides/routing-and-navigation

📋 Description of content that is out-of-date or incorrect

Code examples use "load" (deprecated) instead of "preload". Could cover more detail on relevant TypeScript typings when using React Router primitives.

🖥️ Reproduction in StackBlitz (if reporting incorrect content or code samples)

No response