repo creation with initial code after cloning public repo

MediaBrowser.Controller/Library/LibraryManagerExtensions.cs

@@ -0,0 +1,15 @@
+#pragma warning disable CS1591
+
+using System;
+using MediaBrowser.Controller.Entities;
+
+namespace MediaBrowser.Controller.Library
+{
+    public static class LibraryManagerExtensions
+    {
+        public static BaseItem? GetItemById(this ILibraryManager manager, string id)
+        {
+            return manager.GetItemById(new Guid(id));
+        }
+    }
+}