Feature/media segments plugin api (#12359)

MediaBrowser.Model/MediaSegments/MediaSegmentGenerationRequest.cs

@@ -0,0 +1,14 @@
+using System;
+
+namespace MediaBrowser.Model;
+
+/// <summary>
+/// Model containing the arguments for enumerating the requested media item.
+/// </summary>
+public record MediaSegmentGenerationRequest
+{
+    /// <summary>
+    /// Gets the Id to the BaseItem the segments should be extracted from.
+    /// </summary>
+    public Guid ItemId { get; init; }
+}