Repository for f21_team_26
reference: https://medium.com/wdstack/bootstrap-4-custom-navbar-1f6a2da5ed3c https://docs.djangoproject.com/en/3.0/ref/models/querysets/#values-list https://getbootstrap.com/docs/4.4/utilities/stretched-link/ https://stackoverflow.com/questions/6062742/django-dropdown-populate-from-database https://stackoverflow.com/questions/20309593/django-template-to-populate-bootstrap-rows-and-columns https://getbootstrap.com/docs/4.0/components/modal/ https://stackoverflow.com/questions/43042262/left-right-align-modal-footer-buttons-in-bootstrap-4