faet:Landing Page Cleanup: Remove Summer of AI & Organize Roadmap Section

📌 Description

This MR improves the Landing page by removing outdated content and restructuring the Roadmap section for better clarity and user experience.

---

✨ Changes Made

• Removed the “Summer of AI” section from the Landing page
• Cleaned up related unused components, files, and imports
• Refactored the Roadmap section:
  • Improved alignment and spacing
  • Structured timeline for better readability
  • Enhanced visual hierarchy (Year → Title → Description)
• Ensured consistent styling with the existing design system

---

🎯 Why This Change

• Removes outdated and unnecessary content
• Improves readability and structure of the Roadmap
• Enhances overall UI/UX of the Landing page
• Makes the layout cleaner and more maintainable

---

Screen Shots:

---

✅ Testing Done

✅ Testing Done

• Verified “Summer of AI” section is completely removed
• Checked Roadmap alignment and structure across screen sizes
• Tested responsiveness on mobile, tablet, and desktop
• Ensured no UI issues or console errors

---

🔗 Related Issue

Closes: #74 (closed)