Cities.fromJson constructor
Creates a new Cities instance from a JSON map.
Takes a Map<String, dynamic> json and returns a Cities object.
Implementation
factory Cities.fromJson(Map<String, dynamic> json) {
return Cities(
id: json['id'],
districtId: json['districtId'],
nameEn: json['nameEn'],
nameSi: json['nameSi'],
nameTa: json['nameTa'],
postcode: json['postcode'],
latitude: json['latitude'].toDouble(),
longitude: json['longitude'].toDouble(),
);
}