conform basic models to Codable

@@ -152,7 +152,7 @@ public class swiftApi {
     }
     }
 
 
     
     
-    public class CouponSetItemModel {
+    public class CouponSetItemModel: Codable {
         public let uuid: String?
         public let uuid: String?
         public let admin_name: String?
         public let admin_name: String?
         public let name: String?
         public let name: String?
@@ -263,7 +263,7 @@ public class swiftApi {
     }
     }
     
     
     
     
-    public class CouponItemModel {
+    public class CouponItemModel: Codable {
         public let couponset_uuid: String?
         public let couponset_uuid: String?
         public let name: String?
         public let name: String?
         public let image: String?
         public let image: String?
@@ -463,7 +463,7 @@ public class swiftApi {
         return CouponsDataModel().getOldCoupons
         return CouponsDataModel().getOldCoupons
     }
     }
     
     
-    public class CampaignItemModel {
+    public class CampaignItemModel: Codable {
         public let index_url: String?
         public let index_url: String?
         public var logo_url: String?
         public var logo_url: String?
         public let offer_category: String?
         public let offer_category: String?
@@ -623,7 +623,7 @@ public class swiftApi {
     }
     }
 
 
 
 
-    public class LoyaltyContextualOfferModel {
+    public class LoyaltyContextualOfferModel: Codable {
         private var sessionId: String
         private var sessionId: String
         private var eligibleAssets: Array<String>
         private var eligibleAssets: Array<String>
         private var id: String
         private var id: String
@@ -2415,7 +2415,7 @@ public class swiftApi {
     }
     }
 
 
     
     
-    public class LoyaltyGiftsForYouPackage {
+    public class LoyaltyGiftsForYouPackage: Codable {
         private var title: String
         private var title: String
         private var imageUrl: String
         private var imageUrl: String
         private var loyaltyPackageId: String
         private var loyaltyPackageId: String