Dead links in SvelteConfig type

[teemingc]

Describe the bug

The doc links for the preprocess and compilerOptions SvelteConfig options don't lead to anywhere anymore. I'm not sure what the new doc pages for them are.

Reproduction URL

https://github.com/sveltejs/vite-plugin-svelte/blob/main/packages/vite-plugin-svelte/src/public.d.ts#L124

Reproduction

No response

Logs

System Info

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