Add Architecture wiki page with detailed documentation
- Add Architecture.md with comprehensive project documentation
- Two levels of detail: what components are and how they work
- External references to MDN, React docs, TypeScript, Radix UI
- Code examples from actual codebase (CreatePrimaryStar, generators)
- Update Home.md with link to Architecture page
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
