Card brands

At the moment, the following card brands are available.

brand parameter value	Card brand
jcb	JCB
visa	Visa
master	MasterCard
discover	Discover
dinerslub	Diners Club International
amex	American Express
unionpay	Union Pay
belkart	БЕЛКАРТ
mir	МИР
halva	Халва
uzcard	UZCARD
humo	HUMO
prostir	ПРОСТIР
elo	ELO
kortimilli	КОРТИ МИЛЛИ