Begin work on outlining dynamic side

PkmnLib.Dynamic/Models/BattleRandom.cs

@@ -0,0 +1,13 @@
+using PkmnLib.Static.Utils;
+
+namespace PkmnLib.Dynamic.Models;
+
+public interface IBattleRandom : IRandom
+{
+    /// <summary>
+    /// Gets whether or not a move triggers its secondary effect. This takes its chance, and
+    /// rolls whether it triggers. As a side effect this run scripts to allow modifying this random
+    /// chance.
+    /// </summary>
+    bool EffectChance(float chance, IExecutingMove executingMove, IPokemon target, byte hitNumber);
+}