feat: add project

backend/app/models/user.py

@@ -1,4 +1,5 @@
 from sqlalchemy import Column, Integer, String, Boolean, DateTime
+from sqlalchemy.orm import relationship
 from sqlalchemy.sql import func
 from app.database import Base
 
@@ -12,3 +13,5 @@ class User(Base):
     is_active = Column(Boolean, default=True)
     is_admin = Column(Boolean, default=False)
     created_at = Column(DateTime(timezone=True), server_default=func.now())
+
+    projects = relationship("Project", back_populates="owner")