Brands properly formatted

Sources/OpenFoodFactsSDK/Schemas/Product.swift

@@ -6,6 +6,16 @@ public struct Product: Codable, Sendable, Identifiable {
 	public let productName: String?
 	public let genericName: String?
 	public let brands: String?
+
+	public var _brands: [String]? {
+		guard let brands = brands else {
+			return nil
+		}
+		return brands.split(separator: ",").map {
+			$0.trimmingCharacters(in: .whitespacesAndNewlines)
+		}
+	}
+
 	public let brandsTags: [String]?
 	public let quantity: String?