Added win condition for level 1 and added boss fight for level 5

Enemies/Ghost_Enemy.gd

@@ -20,7 +20,7 @@ func _ready() -> void:
 
 func _physics_process(delta):
     velocity = Vector2.ZERO
-    
+
     if player and position.distance_to(player.position) > 1:
         velocity = position.direction_to(player.position).normalized() * SPEED
     velocity = move_and_slide(velocity)
@@ -34,7 +34,7 @@ func _on_Area2D_body_entered(body):
             self.visible = true
             $AnimatedSprite.play("appear")
             counter = 1
-   
+
 
 
 func _on_AnimatedSprite_animation_finished():