Improve quickstart page with better structure and troubleshooting

[mintlify]

Enhanced the quickstart page with prerequisites, estimated completion time, success confirmation, troubleshooting section, and expanded next steps. These improvements address common user pain points and provide clearer guidance for getting started.

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Created by Mintlify agent

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Note

Improves the quickstart doc structure and guidance for new users.

• Adds an Info callout with a 5‑minute estimate and a new Prerequisites section (GitHub account, Node.js v20.17+, editor)
• Introduces a Check success confirmation after deployment and clarifies how Mintlify works
• Expands step-by-step “Make your first change” for both CLI and web editor; clarifies Node.js requirement and links to install/clone docs
• Adds a Troubleshooting accordion group (GitHub App install, Node.js version, deployment delays, local preview issues)
• Expands Next steps with new cards (customize branding, write first page) and improves cross-links to dashboard and docs

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