feat(connector): [Adyen] implement PaySafe

[AkshayaFoiger]

Type of Change

• Bugfix
• New feature
• Enhancement
• Refactoring
• Dependency updates
• Documentation
• CI/CD

Description

PaySafeCard is one of the leading online prepaid payment methods, allowing shoppers to pay as safely online as they would if they were paying with cash. It is the perfect solution for anyone who does not own a bank account or credit card, or for shoppers who are concerned about privacy and security. This makes it an appealing payment method for gamers and gamblers.

Payment Method Data

payment_method": "gift_card",
  "payment_method_type": "pay_safe_card",
  "payment_method_data": {
    "gift_card": {
      "pay_safe_card": { }
    }
  }

Additional Changes

• This PR modifies the API contract
• This PR modifies the database schema
• This PR modifies application configuration/environment variables

How did you test it?

Checklist

• I formatted the code cargo +nightly fmt --all
• I addressed lints thrown by cargo clippy
• I reviewed submitted code
• I added unit tests for my changes where possible
• I added a CHANGELOG entry if applicable