Revert "Remove DvdLib (#9068)"

This reverts commit db1913b08f.

DvdLib/Ifo/Program.cs

@@ -0,0 +1,16 @@
+#pragma warning disable CS1591
+
+using System.Collections.Generic;
+
+namespace DvdLib.Ifo
+{
+    public class Program
+    {
+        public IReadOnlyList<Cell> Cells { get; }
+
+        public Program(List<Cell> cells)
+        {
+            Cells = cells;
+        }
+    }
+}