Initial commit: LeadFlow lead generation platform

Full-stack Next.js 16 app with three scraping pipelines:
- AirScale CSV → Anymailfinder Bulk Decision Maker search
- LinkedIn Sales Navigator → Vayne → Anymailfinder email enrichment
- Apify Google SERP → domain extraction → Anymailfinder bulk enrichment

Includes Docker multi-stage build + docker-compose for Coolify deployment.

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

docker-compose.yml

@@ -0,0 +1,26 @@
+services:
+  leadflow:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    ports:
+      - "3000:3000"
+    volumes:
+      - leadflow_data:/data
+    environment:
+      # Database — stored in /data volume for persistence
+      DATABASE_URL: file:/data/leadflow.db
+      # 32-character secret for AES-256 credential encryption
+      APP_ENCRYPTION_SECRET: ${APP_ENCRYPTION_SECRET:-change-me-in-production-32chars}
+      NODE_ENV: production
+    restart: unless-stopped
+    healthcheck:
+      test: ["CMD", "wget", "-qO-", "http://localhost:3000/api/credentials"]
+      interval: 30s
+      timeout: 10s
+      retries: 3
+      start_period: 15s
+
+volumes:
+  leadflow_data:
+    driver: local