[Frontend/UI] Implement Hero Section Component

[Amarjeet325]

Background/Context

We need to implement the Hero "Coming Soon" Section based on the simplified design.

Detailed Tasks Checklist

• Create a responsive HeroSection component.
• Large glowing alien logo.
• "ALIEN PROTOCOL" heading.
• Description paragraph: "A secure, private, and advanced address book for Stellar..."
• Glowing "• COMING SOON •" box.
• Subtext: "Privacy-preserving usernames for Stellar."
• Email capture form (your@email.com + NOTIFY ME).
• Anti-spam disclaimer below the form.

Acceptance Criteria

• Matches the dark theme perfectly.