initial release

🚀 v1.0 - Initial release of souschef.ai

- Recipe scraping from 100+ websites
- SQLite-based recipe library
- Intelligent shopping list generation with quantity aggregation
- Unit conversions (cups ↔ ounces for common ingredients)
- Ingredient normalization (combines similar ingredients)
- Recipe review/edit interface
- Always-round-up policy for shopping lists
- Local-first, zero cloud dependency