First POC with podcasts library

Jellyfin.Plugin.Jellypod/Models/PodcastDatabase.cs

@@ -0,0 +1,22 @@
+using System;
+using System.Collections.ObjectModel;
+using System.Diagnostics.CodeAnalysis;
+
+namespace Jellyfin.Plugin.Jellypod.Models;
+
+/// <summary>
+/// Container for podcast data persistence.
+/// </summary>
+public class PodcastDatabase
+{
+    /// <summary>
+    /// Gets or sets the list of subscribed podcasts.
+    /// </summary>
+    [SuppressMessage("Usage", "CA2227:Collection properties should be read only", Justification = "Required for JSON deserialization")]
+    public Collection<Podcast> Podcasts { get; set; } = new();
+
+    /// <summary>
+    /// Gets or sets the last time the database was saved.
+    /// </summary>
+    public DateTime LastSaved { get; set; }
+}