Adds chapter for Point of sale module

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+.. include:: images.rst
+
+.. _point-of-sale-label:
+
+Point of sale
+===============================================================================
+
+Point of sale is a module designed for selling items to people who aren't 
+registered at the library or to make sales that do not need to be linked to a 
+patron account.
+
+For example, you can sell used books or promotional items. These items can be 
+sold to anyone and you don't need to link the sale to a particular patron.
+
+For invoices that need to be linked to a patron's account (like a lost item or 
+new card fee), use :ref:`manual invoicing <creating-manual-invoices-label>`.
+
+-  *Get there:* More > Point of sale
+
+.. _setup-point-of-sale-label:
+
+Setup
+-------------------------------------------------------------------------------
+
+To enable the point of sale module, you must turn on the :ref:`EnablePointOfSale` 
+system preference. 
+
+If it's not already done, you must also enable the :ref:`UseCashRegisters` 
+system preference.
+
+Make sure you :ref:`configure your cash registers <cashregisters-label>` in the 
+administration module.
+
+Finally, you must add items that you will be selling in the :ref:`debit types 
+<debit-types-label>` section of the administration module.
+
+.. _making-a-sale-label:
+
+Making a sale
+-------------------------------------------------------------------------------
+
+When you first go in the point of sale module, the left side will show all the 
+items for sale. These are :ref:debit types <debit-types-label>` that were 
+marked as 'Can be sold'.
+
+On the right side is the current sale.
+
+image goes here
+
+Click on the 'Add' button next to the items to add to the current sale.
+
+If you need to change the cost or the quantity, click on the amount on the 
+right side and it will become an input box where you can enter the correct 
+amount.
+
+
+