Initial commit: STR Optimization Manager MVP

Full-stack short-term rental management platform with:
- React/Vite frontend with dark theme dashboard, performance, pricing,
  reservations, experiments, and settings pages
- Fastify API server with auth, platform management, performance tracking,
  pricing, reservations, experiments, and weekly report endpoints
- Playwright-based scraper service with Airbnb adapter (login with MFA,
  performance metrics, reservations, calendar pricing, price changes)
- VRBO adapter scaffold and mock adapter for development
- PostgreSQL with Drizzle ORM, migrations, and seed scripts
- Job queue with worker for async scraping tasks
- AES-256-GCM credential encryption for platform credentials
- Session cookie persistence for scraper browser sessions
- Docker Compose for PostgreSQL database

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.gitignore

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+node_modules/
+dist/
+.env
+.env.local
+.airbnb-session/
+*.log