Add SEO config and clean up defaults

[jpedroschmitz]

Changes

• Removed default Next.js files
• Deleted package-lock.json
• Implemented Geist font from next/font/google
  • Variable font format
  • Uses woff2 for better performance
• Added default SEO configuration that all pages will inherit (it was missing open graph, canonical, ...)
• Generated custom OG image matching Firecrawl website OG style

Notes

• If you prefer using npm over pnpm, please let me know and I'll restore package-lock.json
• Open to feedback on OG image, SEO copy, and the other proposed changes 🙌🏻

[vercel]

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