docs: add agent quickstart files for all SDK languages

[ericciarla]

Summary

• Adds one canonical agent quickstart document per SDK language in agent-quickstart/:
  • node.mdx — JS/TS SDK v4.41.0
  • python.mdx — Python SDK v4.44.0
  • rust.mdx — Rust SDK v2.21.0
  • java.mdx — Java SDK v1.18.0
  • elixir.mdx — Elixir SDK v1.11.0
• Each file covers search, scrape, and interact with confirmed parameters, working examples, and language-specific notes
• Generated from SDK source as primary authority, cross-referenced with the v2 OpenAPI spec
• Follows the required quickstart structure: install, authenticate, when-to-use-what, endpoint sections with parameters, notes, and source-of-truth references

Details

These files are designed to be pasted directly into agent context as the canonical reference for using Firecrawl's three core endpoints. Key differences from the existing agent-source-of-truth/ directory:

• Quickstart-focused: simpler structure, one example per endpoint, flat parameter tables
• Up-to-date SDK versions: reflects latest SDK source including new parameters like lockdown, domainTools, toolDetail, threatProtection, auditMetadata, includeDomains/excludeDomains
• Language-specific accuracy: documents prompt support on interact only where the SDK actually exposes it (JS, Python, Rust — not Java or Elixir)
• Mintlify-compatible MDX: valid YAML frontmatter, standard Markdown headings, fenced code blocks, no custom components

Test plan

• Verify each .mdx file renders cleanly as a Mintlify docs page
• Confirm parameter lists match current SDK source
• Validate code examples compile/run against the listed SDK versions

🤖 Generated with Claude Code

https://claude.ai/code/session_01XyF46EHnn2GAewQjxb12LU

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Generated by Claude Code

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Project	Status	Preview	Updated
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[ericciarla]

The failing check "Locale literals and extraction-hostile markdown" is a pre-existing issue on the base branch — the last 5 consecutive runs of the "Docs checks" workflow (runs #124–#128, across multiple unrelated PRs) all fail with the same errors in es/, fr/, and pt-BR/ locale files using translated API identifiers. This PR only adds files under agent-quickstart/ and does not touch any localized content.

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Generated by Claude Code