add ListierNetworkList

Author: Lordfirespeed

CSync/Unity/Netcode/ListierNetworkList.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+
+namespace Unity.Netcode;
+
+internal class ListierNetworkList<T> : NetworkList<T>, IList<T> where T : unmanaged, IEquatable<T>
+{
+    IEnumerator IEnumerable.GetEnumerator() => base.GetEnumerator();
+
+    public void CopyTo(T[] array, int arrayIndex) => throw new NotSupportedException();
+
+    public bool IsReadOnly => false;
+}