[IMP]PoS:New Section for Adv Pricing Features

Moved docs from other sections to new sections

point_of_sale/advanced_pricing_features/loyalty.rst

@@ -0,0 +1,45 @@
+========================
+Manage a loyalty program
+========================
+
+Encourage your customers to continue to shop at your point of sale with
+a *Loyalty Program*.
+
+Configuration
+=============
+
+To activate the *Loyalty Program* feature, go to
+:menuselection:`Point of Sale --> Configuration --> Point of sale` and
+select your PoS interface. Under the Pricing features, select *Loyalty
+Program*
+
+.. image:: media/loyalty01.png
+    :align: center
+
+From there you can create and edit your loyalty programs.
+
+.. image:: media/loyalty02.png
+    :align: center
+
+You can decide what type of program you wish to use, if the reward is a
+discount or a gift, make it specific to some products or cover your
+whole range. Apply rules so that it is only valid in specific situation
+and everything in between.
+
+Use the loyalty program in your PoS interface
+=============================================
+
+When a customer is set, you will now see the points they will get for
+the transaction and they will accumulate until they are spent. They are
+spent using the button *Rewards* when they have enough points
+according to the rules defined in the loyalty program.
+
+.. image:: media/loyalty03.png
+    :align: center
+
+You can see the price is instantly updated to reflect the pricelist. You
+can finalize the order in your usual way.
+
+.. note::
+    If you select a customer with a default pricelist, it will be
+    applied. You can of course change it.