new file:   Checkout.bat
	new file:   SuperMarketCheckout_TechnicalDocument.docx
	new file:   shop/Product.java
	new file:   shop/ProductFactory.java
	new file:   shop/ProductOrder.java
	new file:   shop/ShoppingClient.java
	new file:   shop/ShoppingHandler.java
	new file:   shop/SuperMarket.java
	new file:   shop/SuperMarketImpl.java