Header component

[makee-ham]

📌 Overview

Implement the header component (Header.tsx) that allows users to view and select the current date and day of the week.

✅ Tasks

• Create a responsive header layout for desktop and mobile
• Display current date and day of the week
• Add navigation controls for switching dates (previous/next)

🔗 Reference

💬 Notes

• Consider accessibility for screen readers (e.g., aria-labels on navigation buttons)
• Ensure proper date formatting (e.g., YYYY-MM-DD or locale-based)
• Match styling with the selected DayCraft theme colors