Open source all the way down: Upgrading our developer documentation

Cloudflare outlines the migration of its open source developer documentation from Hugo to Astro/Starlight to improve content organization, extensibility, and developer experience, leveraging AST-based tooling for automated code block metadata transformation and completing a large-scale migration with minimal downtime. The piece highlights new capabilities (type checking, plugins, content collections), timeline and planning, community collaboration, and invites contributions to the docs repository.