Introducing Markdown for Agents

What this post added

This post introduces 'Markdown for Agents,' a new capability that allows for real-time conversion of HTML to Markdown at the edge for AI crawlers and agents. This feature aims to optimize content delivery for AI by reducing token usage and processing complexity, leveraging content negotiation headers. It also introduces the `Content-Signal` header for AI usage preferences and enhances Cloudflare Radar with AI bot content type insights.