Revert "Remove UpdateLibrariesTask"

This reverts commit de14ff0b75.

Tranga/TrangaTasks/UpdateLibrariesTask.cs

@@ -0,0 +1,33 @@
+using System.Net;
+using Logging;
+
+namespace Tranga.TrangaTasks;
+
+/// <summary>
+/// LEGACY DEPRECATED
+/// </summary>
+public class UpdateLibrariesTask : TrangaTask
+{
+    public UpdateLibrariesTask(TimeSpan reoccurrence) : base(Task.UpdateLibraries, reoccurrence)
+    {
+    }
+
+    protected override HttpStatusCode ExecuteTask(TaskManager taskManager, Logger? logger, CancellationToken? cancellationToken = null)
+    {
+        if (cancellationToken?.IsCancellationRequested ?? false)
+            return HttpStatusCode.RequestTimeout;
+        foreach(LibraryManager lm in taskManager.settings.libraryManagers)
+            lm.UpdateLibrary();
+        return HttpStatusCode.OK;
+    }
+
+    public override TrangaTask Clone()
+    {
+        return new UpdateLibrariesTask(this.reoccurrence);
+    }
+
+    protected override double GetProgress()
+    {
+        return 1;
+    }
+}