…andling event deletions, enhance event listing with delete confirmation modal, and improve form validation in create.jsp and update.jsp

…nd DeleteEvent to utilize CookieUtil for cookie handling, and enhance Event and RSVP models with utility methods for better data management.

…r logging results, create EventTypeClassifier with NaiveBayes model, and enhance ImprovedEventClassifierTester for balanced evaluation and cross-validation.

…nced evaluation, detailed metrics logging, and cross-validation. Refactor EventTypeClassifier for better data handling and model training, including advanced class balancing techniques and enhanced text processing.

…oved logging, class distribution summary, and cross-validation metrics. Update EventTypeClassifier to utilize AdaBoost for better model performance and parameter optimization.

…splaying event RSVPs, enhance RSVPServlet to fetch attendees, and update styles for improved UI.

…on validation, create LoginServlet and RegistrationServlet for user login and registration, and enhance JSPs for user interface improvements. Update RSVP model to associate RSVPs with users.