Configurable No-Requirement Sound

• Added no_requirement_sound configuration option in Shop.yml
• Allows server owners to customize the sound played when players don't meet item requirements
• Default: ENTITY_VILLAGER_NO with automatic fallback to VILLAGER_NO for MC 1.8 compatibility
• Set to empty string ('') or 'none' to disable the sound
• Examples: 'ENTITY_ENDERMAN_TELEPORT', 'BLOCK_NOTE_BLOCK_BASS', 'UI_BUTTON_CLICK'

New Locale Changes for tooltip price displays
price_discounted: '&aPrice: &e{price} &c&l{discount}'
price_base: '&7Base Price: &e{price}'
price_variables: '&7Variables: &e+{price}'
price_total: '&7Total: &a{price}'
price_total_discounted: '&7Total: &a{price} &c&l{discount}'
price_total_label: '&7Total Price: &a{price}'
Clear Cart Button Configuration

• Added clear_cart button configuration to confirmation GUI in Shop.yml
• Fully customizable with material, display name, and lore
• Includes placeholders: {cart_count} and {cart_total}
• Default slot: 18

Changes
Configuration Files
Shop.yml now includes:

# Sound played when player doesn't meet requirements for an item
no_requirement_sound: 'ENTITY_VILLAGER_NO'

gui:
confirmation:
clear_cart:
enabled: true
slot: 18
material: BARRIER
display_name: '&c&lClear Cart'
lore:
- ''
- '&eCart Items: &f{cart_count}'
- '&eCart Total: &a{cart_total}'
- ''
- '&7Click to clear your cart'
- '&7and close this menu'
- ''
- '&c&lWarning: This cannot be undone!'