Add "payments" column

[CrazyPython]

• https://tools.ietf.org/id/draft-dold-payto-04.html
• https://developer.mozilla.org/en-US/docs/Web/API/PaymentRequest
• https://www.w3.org/TR/payment-handler/
• https://webmonetization.org/
• https://web-payments.org/specs/source/web-commerce-api/
• Others?

[CrazyPython]

• https://w3c.github.io/payment-method-manifest/

[CrazyPython]

Source: https://www.w3.org/Payments/WG/charter-201912.html