Creates a new store group with the specified name, slug, store type, and optional markets. The store group defines pricing and availability settings for products across multiple markets.
Store group data
Country value needs to follow ISO3166_1_alpha2, which means we want a country value written in alpha-2 two-letter country codes, Example: SE or FI
The slug of the markets which should be related to this store group
b2c, b2b, d2c, d2b