Add automatic JSON-LD schema generation for docs

[GregHolmes]

Description

Implements automatic JSON-LD schema generation for all MDX documentation pages to improve SEO and enable rich search results. Schema types are automatically inferred from URL patterns with manual override support.

Example of /docs/chat/connect:

<script type="application/ld+json" data-react-helmet="true">{"@context":"https://schema.org","@type":"TechArticle","headline":"Connections","description":"Manage the realtime connections to Ably.","url":"http://localhost:3000/docs/chat/connect","publisher":{"@type":"Organization","name":"Ably","url":"https://ably.com"},"author":{"@type":"Organization","name":"Ably","url":"https://ably.com"}}</script>

Features:

• Automatic schema type detection based on URL patterns:

  • /api/* → APIReference
  • /guides/*, /quickstart → HowTo
  • Default → TechArticle

• Generated schema includes: @context, @type, headline, description, url, publisher, and author

• Manual override via frontmatter (jsonld_type, jsonld_date_, jsonld_author_, jsonld_custom_*)

• Support for custom Schema.org fields using jsonld_custom_* prefix

• Renders in

  as

Files added:

• src/utilities/json-ld.ts - Schema generation utilities

Files modified:

• src/components/Head.tsx - Added JSON-LD rendering support
• src/components/Layout/MDXWrapper.tsx - Integrated schema generation
• src/components/Layout/Layout.tsx - Extended Frontmatter type definitions
• src/pages/docs/chat/connect.mdx - Example implementation

Zero configuration required for most pages. Schema automatically generated from existing frontmatter (title, meta_description, meta_keywords).

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✨ Finishing touches

🧪 Generate unit tests (beta)

• [ ] Create PR with unit tests
• [ ] Post copyable unit tests in a comment
• [ ] Commit unit tests in branch EDU-2122-Investigate-adding-JSON-LD-Schemas-to-the-docs

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[GregHolmes]

Thanks @kennethkalmer , I had a call with @umair-ably and @FayeMcC77 yesterday. We're going to change it slightly as we're going to generate a bit more information on these schemas etc. I'll mark this PR as do not merge for the time being.

Thank you for the review!