Refactor move classes to implement respective interfaces for better structure

Plugins/PkmnLib.Plugin.Gen7/Scripts/Battle/SnatchEffect.cs

@@ -4,7 +4,7 @@ using PkmnLib.Dynamic.BattleFlow;
 namespace PkmnLib.Plugin.Gen7.Scripts.Battle;
 
 [Script(ScriptCategory.Battle, "snatch_effect")]
-public class SnatchEffect : Script
+public class SnatchEffect : Script, IScriptStopBeforeMove
 {
     private Queue<IPokemon> _snatchers = new();
 
@@ -33,7 +33,7 @@ public class SnatchEffect : Script
     }
 
     /// <inheritdoc />
-    public override void StopBeforeMove(IExecutingMove move, ref bool stop)
+    public void StopBeforeMove(IExecutingMove move, ref bool stop)
     {
         if (move.UseMove.HasFlag("snatch") && TryGetSnatcher(out var snatcher))
         {