feat: Complete Fiscal Clone deployment package

- SEC filings extraction (10-K, 10-Q, 8-K)
- Portfolio analytics with real-time prices
- Watchlist management
- NextAuth.js authentication
- OpenClaw AI integration
- PostgreSQL database with auto P&L calculations
- Elysia.js backend (Bun runtime)
- Next.js 14 frontend (TailwindCSS + Recharts)
- Production-ready Docker configurations

.env.example

@@ -0,0 +1,15 @@
+# Database
+DATABASE_URL=postgres://postgres:postgres@localhost:5432/fiscal
+POSTGRES_USER=postgres
+POSTGRES_PASSWORD=postgres
+POSTGRES_DB=fiscal
+
+# Backend
+PORT=3001
+NODE_ENV=development
+
+# Frontend
+NEXT_PUBLIC_API_URL=http://localhost:3001
+
+# OpenClaw Integration
+OPENCLAW_WEBHOOK_URL=https://discord.com/api/webhooks/...