CashShop

Added discount text, with a pulsating effect.
Added copper, silver and gold coin that if pickup or inside inventory will be converted to the cash shop.
Added a creative tabs for the coins.
Now the confirm ui work and show the discount price (or the price if discount = 0).
Now the discount text can show if the item is free and change color based on the discount value.
Removed "Most buy" ui (not useful), the shop ui size was changed.
Fixed a bug where if the shop did not have any page could crash when clicking the left/right page button.

CashShop 1.20.1 v0.0.2