ShopkeepersAddon Update

🔧 Optimizations

• Reduced code duplication
• Optimized error handling
• Improved simulate click for Shop Edit Task
• Async file operations
• Added null safety checks
• Better logging
• Separated config loading
• Added cleanup on plugin disable

🚀 Added Features

• Added /shopkeepersaddon reload command
• Added economy price formatting in config:

economy:
  # Price formatting options
  price-format:
    # Format pattern using DecimalFormat syntax:
    # 0 = prints digit if provided, 0 otherwise
    # # = prints digit if provided, nothing otherwise
    # . = decimal separator position
    # , = thousands grouping separator position
    pattern: '#,##0.00'

    # Swap decimal and grouping separators for European format
    # true: 1.000.000,00 (European) | false: 1,000,000.00 (Western)
    european-format: false

    # Custom separators (optional - overrides european-format if both are set)
    # decimal-separator: '.'
    # grouping-separator: ','

    # Currency symbol and position
    currency-symbol: '$'
    symbol-before: true  # true: $100 | false: 100$

• Added purchase feedback messages:

messages:
  buySuccess: "§aYou have bought %item% for %price%."
  sellSuccess: "§aYou have sold %item% for %price%."

• Optimized bulk item purchase system
• Added automatic config migration on version update