INFRA: Set Up Project.

lib/models/payment_model/mercado_pago_model.dart

@@ -0,0 +1,24 @@
+class MercadoPagoModel {
+  bool? isSandboxEnabled;
+  bool? isEnabled;
+  String? accessToken;
+  String? publicKey;
+
+  MercadoPagoModel({this.isSandboxEnabled, this.isEnabled, this.accessToken, this.publicKey});
+
+  MercadoPagoModel.fromJson(Map<String, dynamic> json) {
+    isSandboxEnabled = json['isSandboxEnabled'];
+    isEnabled = json['isEnabled'];
+    accessToken = json['AccessToken'];
+    publicKey = json['PublicKey'];
+  }
+
+  Map<String, dynamic> toJson() {
+    final Map<String, dynamic> data = <String, dynamic>{};
+    data['isSandboxEnabled'] = isSandboxEnabled;
+    data['isEnabled'] = isEnabled;
+    data['AccessToken'] = accessToken;
+    data['PublicKey'] = publicKey;
+    return data;
+  }
+}