Refactored Volume to have Name and Number (int) so that we can properly sort and still handle possible split volumes.

Refactored ScanLibrary into Library controller and updated it so it adds the new library to all admins.

API/DTOs/VolumeDto.cs

@@ -5,7 +5,8 @@ namespace API.DTOs
     public class VolumeDto
     {
         public int Id { get; set; }
-        public string Number { get; set; }
+        public int Number { get; set; }
+        public string Name { get; set; }
         public string CoverImage { get; set; }
         public ICollection<string> Files { get; set; }
     }