Add PaymentService (#131)

* Start payment service creation.

* Finish the PaymentInformation proto message.

* Add payment method rpc and message.

* Add get payment information rpc

* Add delete payment information rpc

* Add info about paymentinformation validity

* Add rpc to create stripe session

* Add rpc to get Stripe Checkout session by ID

* Add TODO for method to change payment information in payment.proto

* Refactor payment.proto to update payment information structure and remove GetStripePaymentMethod RPC

* Fix the naming

* Update payment.proto to use descriptive parameter names for payment information endpoints

* Add ChangePaymentInformation RPC to update payment information for an account

* Add TODO to clarify naming for payment method in PaymentInformation message

* Generate code from proto file

* Add payment methods Mastercard and Visa to allow list

* Add optional tax ID field to payment information

* Update payment.proto to clarify comments

* Clarify ChangePaymentInformation RPC comments to better describe functionality

* Address code review feedback.

* Address code review feedback about stripe checkout session

* Address review feedback - prefix stripe setup intent.

* Address review feedback - rename change payment information rpc to set default payment information

* Address review feedback - add is default flag to payment information message.

* Add UpdatePaymentInformation RPC to modify payment details

* Add CreatePaymentInformation RPC to create new payment information

* Add one more todo.

* Address code review feedback.

* Rename payment information to payment method.

* Correct the delete permission.

Author: lomidzemikheili

.github/actions/spelling/allow.txt

@@ -32,3 +32,5 @@ timeseries
 upsert
 vcpu
 vultr
+Mastercard
+Visa