Make a payment charge request to Veritrans Payment API using VT-Web payment type. Veritrans Payment API would
return a redirect URL inside the VtResponse object after successful charge request option.
The redirectUrl must be opened by the customer's browser,
either by redirecting the customer to the redirect URL or explicitly instruct the customer to open the redirectUrl.
vtWebChargeRequest - the request parameters used to customize the request.
VtResponse object with a statusCode indicating the result of the charge request operation.