Create basic layout

🎯 Acceptance Criteria

• Modify src/app/(frontend)/layout.tsx.
• Create a Header component: Include a placeholder text "AUCC Logo" and navigation links ( from next/link) to home, events, trip-reports ...
• Create a Footer component: Include basic text like "© AUCC [Year]".
• Ensure the {children} prop is rendered within the main content area of the layout.
• Apply minimal styling with tailwindcss for basic structure (e.g., flexbox/grid for layout, padding).

📊 Definition of Done (DoD)

• Acceptance criteria met
• Agreed tests written
• Agreed documentation in GitHub wiki
• PR reviewed

🔗 Dependencies

📚 Additional Context