✨ Feature: Starred Questions on Leetcode Patterns Page

🔧 What’s Added

• ⭐Star Toggle per Question

  • Each question now has a clickable star icon
  • Clicking the star toggles its active state with aglow animation

• 📌Persistence via Local Storage

  • Starred questions are saved to thebrowser’s local storage
  • Starred statepersists across page reloads

• 📋“View Starred Questions” Button

  • Filters the list toonly show starred problems
  • Useful for revisiting important or tricky questions

• 🔔Toast Notifications

  • Displays a brief message when a question is starred or unstarred
  • Enhances UX with immediate feedback

✅ Why This Is Useful

• Helps usersbookmark and track problems they want to revisit
• Maintains contextacross sessions without needing login or backend storage