Feat: Data Model Added

lib/models/product.dart

@@ -0,0 +1,44 @@
+class Product {
+  int? id;
+  String name;
+  String code;
+  int quantity;
+  double price;
+  String? description;
+
+  Product({
+    this.id,
+    required this.name,
+    required this.code,
+    required this.quantity,
+    required this.price,
+    this.description,
+  });
+
+  Map<String, dynamic> toMap() {
+    return {
+      'id': id,
+      'name': name,
+      'code': code,
+      'quantity': quantity,
+      'price': price,
+      'description': description,
+    };
+  }
+
+  factory Product.fromMap(Map<String, dynamic> map) {
+    return Product(
+      id: map['id'],
+      name: map['name'],
+      code: map['code'],
+      quantity: map['quantity'],
+      price: map['price'],
+      description: map['description'],
+    );
+  }
+
+  @override
+  String toString() {
+    return 'Product(id: $id, name: $name, code: $code, quantity: $quantity, price: $price, description: $description)';
+  }
+}