feat: add payment card grouping and analysis

lib/models/subscription_model.g.dart

@@ -32,13 +32,14 @@ class SubscriptionModelAdapter extends TypeAdapter<SubscriptionModel> {
       eventStartDate: fields[12] as DateTime?,
       eventEndDate: fields[13] as DateTime?,
       eventPrice: fields[14] as double?,
+      paymentCardId: fields[15] as String?,
     );
   }
 
   @override
   void write(BinaryWriter writer, SubscriptionModel obj) {
     writer
-      ..writeByte(15)
+      ..writeByte(16)
       ..writeByte(0)
       ..write(obj.id)
       ..writeByte(1)
@@ -68,7 +69,9 @@ class SubscriptionModelAdapter extends TypeAdapter<SubscriptionModel> {
       ..writeByte(13)
       ..write(obj.eventEndDate)
       ..writeByte(14)
-      ..write(obj.eventPrice);
+      ..write(obj.eventPrice)
+      ..writeByte(15)
+      ..write(obj.paymentCardId);
   }
 
   @override