fix: use tilde instead of at sign for remix install

[csfh]

👋🏻

Noticed a minor typo. This will use the remix default import path, which is also the one used elsewhere in the installation guide.

[vercel[bot]]

@mdloop is attempting to deploy a commit to the shadcn-pro Team on Vercel.

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[csfh]

Heya. Just a friendly reminder to merge this if you think it's needed.

[csfh]

Just doing a little cleaning. Feel free to reopen if you need it.