More work on refactor to interfaces

Plugins/PkmnLib.Plugin.Gen7/Scripts/Pokemon/LeechSeedEffect.cs

@@ -1,7 +1,7 @@
 namespace PkmnLib.Plugin.Gen7.Scripts.Pokemon;
 
 [Script(ScriptCategory.Pokemon, "leech_seed")]
-public class LeechSeedEffect : Script
+public class LeechSeedEffect : Script, IScriptOnEndTurn
 {
     private readonly IPokemon _owner;
     private readonly IPokemon _placer;
@@ -13,7 +13,7 @@ public class LeechSeedEffect : Script
     }
 
     /// <inheritdoc />
-    public override void OnEndTurn(IScriptSource owner, IBattle battle)
+    public void OnEndTurn(IScriptSource owner, IBattle battle)
     {
         var damage = _owner.BoostedStats.Hp / 8;
         if (_owner.CurrentHealth <= damage)