Fixed a bug in ScanLibrary that caused duplicated Volumes. Implemented APIs for navigating down to Volume for webui.

This is rough code and needs to be polished and refactored.

API/Entities/MangaFile.cs

@@ -4,8 +4,7 @@
     {
         public int Id { get; set; }
         public string FilePath { get; set; }
-        //public string FileExtension { get; set; }
-        
+
         // Relationship Mapping
         public Volume Volume { get; set; }
         public int VolumeId { get; set; }

API/Entities/Series.cs

@@ -21,6 +21,7 @@ namespace API.Entities
         /// Summary information related to the Series
         /// </summary>
         public string Summary { get; set; }
+        public string CoverImage { get; set; }
         public ICollection<Volume> Volumes { get; set; }
         
         public Library Library { get; set; }

API/Entities/Volume.cs

@@ -7,7 +7,7 @@ namespace API.Entities
         public int Id { get; set; }
         public string Number { get; set; }
         public ICollection<MangaFile> Files { get; set; }
-        
+
         // Many-to-Many relationships
         public Series Series { get; set; }
         public int SeriesId { get; set; }