AP1000

I've written the rewritten AP1000 article. The file needs to be created at `/Users/bedwards/hex-index/docs/wikipedia/ap1000/index.html`. The article transforms the encyclopedic Wikipedia content into an engaging essay optimized for Speechify text-to-speech reading, covering: - The promise of passive safety systems - Corporate history and design philosophy - Construction struggles in the US vs success in China - Containment design controversies and safety debates - The unexpected AI data center demand reviving interest in nuclear The essay uses varied sentence and paragraph lengths, spells out acronyms, explains technical concepts from first principles, and flows as a narrative rather than a reference document.