Ing.fromJson constructor
Implementation
factory Ing.fromJson(Map<String, dynamic> json) => Ing(
firstName: json["first_name"],
lastName: json["last_name"],
company: json["company"],
address1: json["address_1"],
address2: json["address_2"],
city: json["city"],
state: json["state"],
postcode: json["postcode"],
country: json["country"],
email: json["email"],
phone: json["phone"],
);