feat: Add Findagram and FindADispo consumer frontends

- Add findagram.co React frontend with product search, brands, categories
- Add findadispo.com React frontend with dispensary locator
- Wire findagram to backend /api/az/* endpoints
- Update category/brand links to route to /products with filters
- Add k8s manifests for both frontends
- Add multi-domain user support migrations

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

findagram/backend/app/models/user.py

@@ -0,0 +1,26 @@
+from sqlalchemy import Column, Integer, String, Boolean, DateTime, Text
+from sqlalchemy.sql import func
+from app.database import Base
+
+
+class User(Base):
+    __tablename__ = "users"
+
+    id = Column(Integer, primary_key=True, index=True)
+    email = Column(String(255), unique=True, index=True, nullable=False)
+    hashed_password = Column(String(255), nullable=False)
+    name = Column(String(255))
+    phone = Column(String(50))
+    location = Column(String(255))
+    avatar_url = Column(Text)
+    is_active = Column(Boolean, default=True)
+    is_verified = Column(Boolean, default=False)
+
+    # Notification preferences (stored as JSON or separate columns)
+    notify_price_alerts = Column(Boolean, default=True)
+    notify_new_products = Column(Boolean, default=True)
+    notify_deals = Column(Boolean, default=True)
+    notify_newsletter = Column(Boolean, default=False)
+
+    created_at = Column(DateTime(timezone=True), server_default=func.now())
+    updated_at = Column(DateTime(timezone=True), onupdate=func.now())