Bunch more moves, changes in how additional information for items works.

Plugins/PkmnLib.Plugin.Gen7/Scripts/Moves/NaturesMadness.cs

@@ -0,0 +1,12 @@
+namespace PkmnLib.Plugin.Gen7.Scripts.Moves;
+
+[Script(ScriptCategory.Move, "natures_madness")]
+public class NaturesMadness : Script
+{
+    /// <inheritdoc />
+    public override void ChangeMoveDamage(IExecutingMove move, IPokemon target, byte hit, ref uint damage)
+    {
+        var targetMaxHp = target.BoostedStats.Hp;
+        damage = targetMaxHp / 2;
+    }
+}