Connection procedure:
- Install "Platon: Control Panel" application (go to dev@trademinister.de for the link)
- Install the gateway using the link from the "Plato: Control Panel" application

- Select a gateway (Settings - Payment providers - Alternative payments)

- Enter your Shopify account name and password to access the payment gateway (/admin/settings/payments)

- In the application, specify the gateway access password (point 2), merchantAccount and SecretKey received from Platon support (/ admin / apps)

- Write an email to Plato's support with the following text: "Set callback_url for store <url store> - https://platon.trademinister.net/callback, method - POST"
