First POC with podcasts library

Jellyfin.Plugin.Jellypod/Api/Models/UpdatePodcastRequest.cs

@@ -0,0 +1,17 @@
+namespace Jellyfin.Plugin.Jellypod.Api.Models;
+
+/// <summary>
+/// Request to update a podcast.
+/// </summary>
+public class UpdatePodcastRequest
+{
+    /// <summary>
+    /// Gets or sets whether to enable auto-download.
+    /// </summary>
+    public bool? AutoDownload { get; set; }
+
+    /// <summary>
+    /// Gets or sets the maximum episodes to keep.
+    /// </summary>
+    public int? MaxEpisodesToKeep { get; set; }
+}