* chore: enrollment_date added to csv report and add custom fields method managing
* test: tests added
* fix: pylint fix
* fix: new line at test_basic.py added
* feat: new function added to handle available features with custom fields
* chore: replace include_ parameters with direct feature checks
* feat: type validation for custom attributes added
* chore: site config name and variable updated, attribute fixing erased
* test: tests updated