Changes for logged-in users:
- Top navigation: Show "Dashboard" and "Logout" buttons instead of "Sign In" and "Get Started"
- Hero CTA: Change main button to "Go to Dashboard" instead of "Start Collaborating"
- Hide bottom CTA section (registration prompt) for authenticated users
- Footer Account section: Show "Dashboard" and "Logout" instead of "Sign In" and "Register"
Other improvements:
- Removed "Explore Events" button from hero section
- Cleaned up footer: removed empty placeholder links (Features, How It Works, About, Privacy, Terms)
- Added "Support" section in footer with "Contact Us" link to /contact
- Simplified footer to 3 columns: Product (Events), Support (Contact Us), Account (dynamic based on auth)
Create new HomePage component with:
- Hero section with CTAs for registration and login
- Features showcase highlighting WebRTC, matching, chat, security
- How it works section with 3-step process
- CTA section and footer with links
- Responsive design with gradient backgrounds
Update routing to show HomePage at / instead of redirecting to /events
