Fix for turbopack coming from a shared cjs package

[tzjames]

This is a follow on to #44. It includes a test playground the fails to load correctly.

[tobilg]

Sorry, but again, I will not merge this. Please refrain from opening more of such PRs.

It works with Vite and WebPack for me.

Check if the following works eventually:

Workaround for problematic ESM-only packages: You can externalize them using serverExternalPackages in next.config.js, or use dynamic import() instead of static imports to defer loading. For packages that are ESM-only and cause issues, adding them to serverExternalPackages is the recommended fix.