[Feature] Add cbp support

[GianniTie]

Detail

This PR add support for the nodes nodes required to create a CBP Payment and Preferece and add the types to read the attrs of the response body.

Preference

Create preference

...
List<PreferenceItemRequest> items = new ArrayList<>();
items.add(PreferenceItemRequest.builder()
        .title("CBP PRUEBA SDK")
        .description("CBP PRUEBA SDK")
        .quantity(1)
        .unitPrice(new BigDecimal("190"))
        .build());

PreferenceCounterCurrencyRequest counterCurrencyPreference = PreferenceCounterCurrencyRequest.builder()
        .currencyId("USD")
        .build();

PreferenceAmountsRequest preferenceAmounts = PreferenceAmountsRequest.builder()
        .payer(PreferenceUserAmountRequest.builder()
                .currencyId("MXN")
                .transaction(new BigDecimal("190"))
                .build())
        .collector(PreferenceUserAmountRequest.builder()
                .currencyId("USD")
                .transaction(new BigDecimal("10"))
                .build())
        .build();

PreferenceRequest preferenceCreateRequest = PreferenceRequest.builder()
        .items(items)
        .amounts(preferenceAmounts)
        .counterCurrency(counterCurrencyPreference)
        .build();
...

Read preference

{
    ...
    "counter_currency": {
        "currency_id": "USD"
    },
    "amounts": {
        "payer": {
            "currency_id": "MXN",
            "transaction": 190
        },
        "collector": {
            "currency_id": "USD",
            "transaction": 10
        }
    }
    ...
}

Payment

Create payment

...
PaymentPayerRequest payer = PaymentPayerRequest.builder()
        .email("asdasdasdasdfasd@testuser.com")
        .build();

PaymentAmountsRequest amounts = PaymentAmountsRequest.builder()
        .payer(PaymentUserAmountRequest.builder()
                .currencyId("MXN")
                .transaction(new BigDecimal("190.45"))
                .build())
        .collector(PaymentUserAmountRequest.builder()
                .currencyId("USD")
                .transaction(new BigDecimal("10"))
                .build())
        .build();

PaymentCounterCurrencyRequest counterCurrency = PaymentCounterCurrencyRequest.builder()
        .currencyId("USD")
        .build();

PaymentCreateRequest createRequest = PaymentCreateRequest.builder()
        .description("CBP PRUEBA SDK")
        .token("808ba2bd99ce420e8d8acc11960dbff3")
        .installments(1)
        .paymentMethodId("visa")
        .statementDescriptor("Store 123")
        .payer(payer)
        .amounts(amounts)
        .counterCurrency(counterCurrency)
        .build();
...

Read payment

{
    ...
    "counter_currency": {
        "currency_id": "USD"
    },
    "amounts": {
        "payer": {
            "currency_id": "MXN",
            "transaction": 190
        },
        "collector": {
            "currency_id": "USD",
            "transaction": 10
        }
    }
    ...
}