- Add project root to Python path in migrations/env.py
- Change database URL configuration to ensure database directory exists
- Update alembic.ini to use relative database path
- Make database URL configuration more resilient
- Set up project structure with modular organization
- Implement database models for users, organizations, clients, invoices
- Create Alembic migration scripts for database setup
- Implement JWT-based authentication and authorization
- Create API endpoints for users, organizations, clients, invoices
- Add PDF generation for invoices using ReportLab
- Add comprehensive documentation in README
