Shops will be available in near update

• Shop has limited size but unlimied moneys
• Items can be selled only into free slots
• Shops has "refresh time" : after time is ends shop will be refreshed to one of default states
• Shop fee is 33% (include selled items from player)
• All items in shop will be saved until "refresh time" is ends.
• One shop can be in multiple world positions in one time!