[ADR] Describe architecture of validator in Catalog Promotions
[ADR] Describe architecture of validator in Catalog Promotions

Zales0123/Sylius,loic425/Sylius,Sylius/Sylius,loic425/Sylius,101medialab/Sylius,SyliusBot/Sylius,lchrusciel/Sylius,Zales0123/Sylius,Sylius/Sylius,diimpp/Sylius,SyliusBot/Sylius,Sylius/Sylius,SyliusBot/Sylius,101medialab/Sylius,lchrusciel/Sylius,Zales0123/Sylius,diimpp/Sylius,diimpp/Sylius,lchrusciel/Sylius,101medialab/Sylius,loic425/Sylius