Restructure content

[krichprollsch]

New structure

• Introduction
• Quickstart — merged from 4 separate pages into one
• Run locally — renamed from Open Source
  • Installation — split from a single page into sub-pages
    • One-liner
    • Docker
    • Package managers
    • Nightly builds
    • System requirements — moved from Run locally root
    • Build from sources — moved from Guides
  • Commands — new sub-section, content split out of usage.mdx
    • Fetch (+ options)
    • CDP server (+ options)
  • Configure a proxy — moved from Guides
• Run on Lightpanda Cloud — renamed from Cloud Offer
  • Getting started
• Usage — new top-level section
  • CDP — _content from cloud-offer/tools/cdp.mdx, split into one page per client, with Local and Cloud options
    • Puppeteer
    • Playwright
    • Chromedp
  • MCP — _content from guides/mcp-server.mdx and cloud-offer/tools/mcp.mdx
  • HTTP API — moved from cloud-offer/tools/api.mdx
• Guides — moved from under Run locally to a top-level section
  • Retrieve an HTML webpage — copied from the quickstart
  • Get a markdown version — moved from previous "open source guides"
  • Interact with a webpage — copied from the quickstart
  • Use Stagehand — moved from previous "open source guides"
  • Use Hermes Agent

Test checklist

• Verify sidebar navigation matches the new structure
• Check all internal links resolve correctly