Support for deep cloning battles and Pokemon

PkmnLib.Static/StatisticSet.cs

@@ -1,5 +1,6 @@
 using System.Collections;
 using System.Diagnostics.CodeAnalysis;
+using PkmnLib.Static.Utils;
 
 namespace PkmnLib.Static;
 
@@ -83,7 +84,7 @@ public record ImmutableStatisticSet<T>
 /// A set of statistics that can be changed.
 /// </summary>
 /// <typeparam name="T"></typeparam>
-public record StatisticSet<T> : ImmutableStatisticSet<T>, IEnumerable<T>
+public record StatisticSet<T> : ImmutableStatisticSet<T>, IEnumerable<T>, IDeepCloneable
     where T : struct
 {
     /// <inheritdoc cref="StatisticSet{T}"/>