Added two missing slides from 'Configure Mappings'
Added two missing slides from 'Configure Mappings'

DimitarDKirov/Data-Bases,DimitarDKirov/Data-Bases,DimitarDKirov/Data-Bases,TelerikAcademy-Cloning/Databases,TelerikAcademy-Cloning/Databases,TelerikAcademy-Cloning/Databases,TelerikAcademy/Databases,TelerikAcademy/Databases,TelerikAcademy/Databases