Invert the color scheme of toasts

[fmaclen]

Text should be white, background should be dark red, currently looks like this:

The idea is that a single shade of color will look good in light and dark themes.

<Toaster richColors={true} position="top-center" />

Here's the playground/docs for svelte-sonner, our toast library:
https://svelte-sonner.vercel.app/

[fmaclen]

🎉 This issue has been resolved in version 0.13.1 🎉

The release is available on GitHub release

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