ComicInfo Derived Reading Lists (#1929)

* Implemented the ability to generate reading lists from StoryArc and StoryArcNumber ComicInfo fields.

* Refactored to add AlternativeSeries support.

* Fixed up the handling when we need to update reading list where order is already present.

* Refactored how skipping empty reading list pairs works

API/Helpers/Builders/ReadingListBuilder.cs

@@ -54,4 +54,10 @@ public class ReadingListBuilder : IEntityBuilder<ReadingList>
         _readingList.CoverImage = coverImage;
         return this;
     }
+
+    public ReadingListBuilder WithAppUserId(int userId)
+    {
+        _readingList.AppUserId = userId;
+        return this;
+    }
 }