Condense quickstart page

[mintlify]

Reduced quickstart.mdx by 50% to improve readability and reduce time-to-value. Removed redundant explanations, all images, troubleshooting section, and streamlined setup instructions while preserving essential information.

Files changed:

• quickstart.mdx - Condensed from verbose guide to concise quickstart

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Note

Heavily condenses quickstart.mdx, simplifying setup/workflows, removing images and troubleshooting, and adding a concise custom domain DNS table.

• Docs
  • quickstart.mdx condensed:
    • Rewrites onboarding, GitHub App install, and GitHub auth into concise step lists.
    • Streamlines code-based workflow: CLI prerequisite clarified, install commands kept, combines create/edit (mint new) and preview/deploy (mint dev + push).
    • Simplifies web editor workflow: brief access/edit and publish steps; adds tip for command menu.
    • Replaces verbose custom domain section with a minimal DNS table (CNAME to cname.vercel-dns.com) and propagation note.
    • Removes images, extensive explanations, extra cards (components/API references), and the troubleshooting section.
    • Keeps a trimmed “Next steps” with three core cards.

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