Fix typo in move setting logic

src/pokemon.ts

@@ -404,7 +404,7 @@ export default abstract class Pokemon extends Phaser.GameObjects.Container {
   
   setMove(moveIndex: integer, moveId: Moves): void {
     const move = moveId ? new PokemonMove(moveId) : null;
-    this.moveset[moveId] = move;
+    this.moveset[moveIndex] = move;
     if (this.summonData.moveset)
       this.summonData.moveset[moveIndex] = move;
   }