PR Description 📜

This pull request adds a brand new game BrainBlitz to the GameZone collection.

BrainBlitz is a fast-paced, memory-based card-flipping game that challenges players to match pairs while enjoying multiple gameplay modes.
It features smooth logic, an elegant white-gradient aesthetic, and interactive quiz integration.

Fixes: #5195 (replace with your actual issue number if different)

🎮 Features Added

🧩 Core Gameplay: Flip cards to match pairs, with animated transitions and polished logic.

👥 Multiplayer Mode: Two players take alternate turns to test their memory.

🤖 AI Bot Mode: Play against an intelligent AI that remembers previous flips.

❓ Quiz Mode: After each match, answer a General Knowledge question:

✅ Correct → Pair stays matched.

❌ Wrong → Unmatched cards shuffle (matched cards remain).

⚙️ Difficulty Levels: Easy, Medium, Hard (4x4, 6x6, 8x8).

🏆 Leaderboard: Tracks top scores using localStorage.

🕒 Timer & Move Counter with responsive layout.

🎨 UI Design: Minimal white aesthetic with soft gradients — no sound for distraction-free play.
Fixes # <5195>

Mark the task you have completed ✅

• I follow CONTRIBUTING GUIDELINE & CODE OF CONDUCT of this project.
• I have performed a self-review of my own code or work.
• I have commented my code, particularly in hard-to-understand areas.
• My changes generates no new warnings.
• I have followed proper naming convention showed in CONTRIBUTING GUIDELINE
• I have added screenshot for website preview in assets/images
• I have added entries for my game in GameZone's README.md
• I have added README.md in my Game folder
• I have specified the respective issue number for which I have requested the new game.
• I have added my Game to gamesData.json file and it is loading properly on main website as intended.

Thank you soo much for contributing to our repository 💗