* Initial pass at bringing a website experience to copilot cli for beginners
* dropped the number from the heading
* Adding codeowner
* agentic workflow to keep the docs in sync
* Making it more aligned with the source material
* Removing the badges and TOC since we get some of that from astro
* updating the agentic workflow
* Adding learning hub to llms.txt
* Removing nav that comes from the source markdown files
