feat: Add base project structure with API and web components

api/app/models/tenant_model.py

@@ -0,0 +1,23 @@
+import datetime
+import uuid
+from sqlalchemy import Column, String, DateTime, Boolean
+from sqlalchemy.dialects.postgresql import UUID
+from sqlalchemy.orm import relationship
+from app.db import Base
+
+
+class Tenants(Base):
+    __tablename__ = "tenants"
+
+    id = Column(UUID(as_uuid=True), primary_key=True, default=uuid.uuid4, index=True)
+    name = Column(String, index=True, nullable=False)
+    description = Column(String, nullable=True)
+    created_at = Column(DateTime, default=datetime.datetime.now)
+    updated_at = Column(DateTime, default=datetime.datetime.now, onupdate=datetime.datetime.now)
+    is_active = Column(Boolean, default=True)
+    
+    # Relationship to users - one tenant has many users
+    users = relationship("User", back_populates="tenant")
+    
+    # Relationship to workspaces owned by the tenant
+    owned_workspaces = relationship("Workspace", back_populates="tenant")