fix: Add missing open bracket in docs/faq.md

[AVHopp]

📝 Summary

This PR adds a missing open bracket in the FAQ that broke one of the links.

🔍 Description of Changes

I added the open bracket

📋 Checklist

• I have read the contributor guidelines.
• For large changes, or changes that affect the public API: this change was discussed or approved through an issue, on Discord, or the community discussions (Please provide a link if applicable).
• I have added tests for the changes made.
• I have run the code and verified that it works as expected - I have manually verified that the link links to a site that actually exists.

📜 Reviewers

@akshayka OR @mscolnick

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
marimo-storybook	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jan 15, 2025 1:23pm

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[AVHopp]

I have read the CLA Document and I hereby sign the CLA

[mscolnick]

ty!