feat: update accessibility guidelines and enhance component structure. Introduce new frontend accessibility conventions in AGENTS.md, including heading hierarchy and ARIA roles for dialogs and buttons. Refactor TourGuide and related components for lazy loading and improved user experience. Update ESLint configuration to enforce stricter TypeScript rules and add new dependencies for linting. Enhance various components with accessibility features and ensure consistent styling across the application.
feat: update package dependencies and enhance routing for email verification and password recovery. Add nodemailer and related types for email handling, and implement new routes for verify-email and forgot-password in the application. Improve sign-in and sign-up forms to support email verification flow.