ilk commit

src/DownloadManager.Core/Engine/IDownloader.cs

@@ -0,0 +1,12 @@
+using DownloadManager.Core.Events;
+using DownloadManager.Core.Models;
+using System;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace DownloadManager.Core.Engine;
+
+public interface IDownloader
+{
+    Task DownloadAsync(DownloadItem item, IProgress<DownloadProgressEvent>? progress, CancellationToken ct);
+}