Implement `encode(to:)` method of `Event` (fixes vapor-community#252) (…

…vapor-community#255)

New codes for ConnectAccountRequirementsErrorCode (vapor-community#250)

* New codes for ConnectAccountRequirementsErrorCode

* Changed indentation to spaces

Add card network enum case `eftpos_au` (vapor-community#248)

Fix PaymentIntent cancelation (vapor-community#245)

* add abandoned case to PaymentIntentCancellationReason

* remove invalid cases

* Update cancellation reason enums.

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Co-authored-by: Andrew Edwards <[email protected]>

Restore defaultForCurrency variable in the Card (vapor-community#238)

* Rollback defaultForCurrency variable in the Card

* Add subscription_details to Invoice

* Make SubscriptionDetails codable

* Add subscription_details to PaymentIntent

* Revert "Add subscription_details to PaymentIntent"

This reverts commit 745c48c.

* Add defaultForCurrency to the initializer

* Add subscriptionDetails to the initializer

* Add a public initializer for SubscriptionDetails

* Add a default nil param for SubscriptionDetails init

Fixes vapor-community#236 (vapor-community#237)

Add missing protocol conformance. (vapor-community#235)

Fix model type. (vapor-community#233)

Adds Cashapp, link, PayPal and zip payment method details to charge. (v…

…apor-community#229)

Fix ephemeral key route path (vapor-community#227)