Chat games

✨ New Features

• Added multiple chat game types:
  • Math questions
  • Reverse word challenges
  • Minecraft trivia
  • Fun quick-type games (GG, EZ, LOL)

🎨 Chat & UI Improvements

• Colorful and well-formatted chat messages
• Clear game start, question, timer, and win announcements
• Reward received message now shows item name & count correctly

🎁 Rewards System

• Random rewards system added
• Rewards include Iron Blocks, Gold Blocks, Diamonds, and Emeralds
• Reward message sent directly to the winning player

⏱️ Game Logic

• Games start automatically every 5 minutes
• Players have 20 seconds to answer
• Winner detection based on first correct chat message
• Time taken to answer is displayed in chat

🛠️ Stability & Fixes

• Fixed reward showing as AIR
• Fixed chat formatting issues
• Improved server-side execution safety
• Prevented duplicate wins and late answers

⚡ Performance

• Lightweight server tick handling
• No client-side mods required