Added Product serializer config
SONATA-265 - Architecture documentation enhancement
SONATA-265 - Improved product architecture documentation

SONATA-265 - Provided more details to Currency documentation

SONATA-265 - Enhanced address documentation formatting

SONATA-265 - Improved payment documentation

SONATA-265 - Syntax
Merge pull request #135 from xavismeh/develop

SONATA-265 - Architecture documentation enhancement
Merge pull request #134 from eko/develop

SONATA-427 - Add checkout process stepper + fix final review template
Fix em => om
Merge pull request #137 from sylvaindeloux/serializer

[WIP] Added product serializer config
SONATA-418 - Fix form "add to basket" quantity missing translation