- Add post() method to BaseHTTPClient for SOAP requests
- Update download_file() to support custom headers (for token)
- Add ZAKUPKI_TOKEN and PARSER_PROXIES settings
- Improve SOAP error parsing to show EIS error messages
- Update E2E tests to use token from settings
- Add data/ and .zed/ to gitignore
- Implemented user authentication with JWT tokens
- Added user and profile models with OneToOne relationship
- Created service layer for business logic separation
- Implemented DRF serializers and views
- Added comprehensive test suite with model-bakery factories
- Fixed ipdb/pdbpp dependency conflicts with custom test runner
- Configured development and production environments
- Added deployment configurations for Apache, systemd, and Docker
