[FA-5] Adds image support with proper S3 upload and replacement after upload

FictionArchive.Service.NovelService/Models/Novels/Chapter.cs

@@ -1,3 +1,4 @@
+using FictionArchive.Service.NovelService.Models.Images;
 using FictionArchive.Service.NovelService.Models.Localization;
 using FictionArchive.Service.Shared.Models;
 
@@ -11,4 +12,7 @@ public class Chapter : BaseEntity<uint>
     
     public LocalizationKey Name { get; set; }
     public LocalizationKey Body { get; set; }
+    
+    // Images appearing in this chapter.
+    public List<Image> Images { get; set; }
 }