Add Next.js Cookies Support

[heyitsadityaa]

Description

Implement Next.js cookies functionality to enhance user experience and session management in the ticketing application.

Requirements

• Add cookie handling for user preferences (theme, language, etc.)
• Implement secure cookie storage for session data
• Add cookie-based cart persistence for ticket purchases
• Ensure GDPR compliance with cookie consent management
• Add proper cookie security headers and configurations

Implementation Details

• Use Next.js built-in cookies() function for server-side cookie handling
• Implement client-side cookie management utilities
• Add proper TypeScript types for cookie data structures
• Ensure cookies are properly secured (httpOnly, secure, sameSite attributes)

Acceptance Criteria

• Users can persist preferences across sessions
• Cart data is maintained using secure cookies
• Cookie consent mechanism is implemented
• All cookies follow security best practices