Preparing for lauch on monday 0.149.1

⚖️ Balance

• Set maxAmount for siege splash upgrades to 5

🚀 Features

• Add upgrade icons
• Make horses immune to splash damage
• Add horse and horse health upgrades to the market
• Implement screen shake effect
• Pass prestige state to updatePrestigeLabel for accurate updates
• Add two new idle music tracks
• Add cold tower upgrades for damage, speed, and effect length
• Implement mob slow effect calculation and application logic
• Add more number units

🐛 Bug Fixes

• Use fuzzy comparison for splash and mob hit detection
• Ensure prestige purchases are saved correctly and force a save after prestige
• Update checkpoints and size for prestige levels 3 and 4
• Adjust cold tower effect size and duration
• Correct prestige market pricing for poison and add cold tower
• Handle invalid dimensions in GameScreen resize method
• Ensure resetAllProgress clears counters and fixes path ordering
• Fix savegame bug
• Ensure autorun and autobuy settings persist after prestige
• Improve autobuy logic by handling failed purchases that could previously cause freezes
• Update tower price after each tower when chain-building with Shift