names changed, layer of abstraction added

VDownload.Models/Playlist.cs

@@ -6,14 +6,12 @@ using System.Threading.Tasks;
 
 namespace VDownload.Models
 {
-    public abstract class Playlist : List<Video>
+    public abstract class Playlist : VideoCollection
     {
         #region PROPERTIES
 
-        public required string Name { get; set; }
         public required string Description { get; set; }
         public required Uri Url { get; set; }
-        public Source Source { get; protected set; }
 
         #endregion
     }