Add initial MVP documentation for DMARQ platform, detailing backend architecture, frontend implementation, and deployment structure

backend/app/models/user.py

@@ -0,0 +1,25 @@
+from typing import List, Optional
+from sqlalchemy import Boolean, Column, Integer, String
+from sqlalchemy.orm import relationship
+
+from app.core.database import Base
+
+
+class User(Base):
+    """User model"""
+    
+    __tablename__ = "users"
+
+    id = Column(Integer, primary_key=True, index=True)
+    email = Column(String, unique=True, index=True, nullable=False)
+    hashed_password = Column(String, nullable=False)
+    is_active = Column(Boolean, default=True)
+    is_superuser = Column(Boolean, default=False)
+    is_verified = Column(Boolean, default=False)
+    
+    # Additional fields
+    full_name = Column(String, nullable=True)
+    organization = Column(String, nullable=True)
+    
+    # Relationships
+    user_domains = relationship("UserDomain", back_populates="user", cascade="all, delete-orphan")