add health component and FollowTarget Enemy Controller and minor changes

DamageHandling/hurt_box.gd

@@ -1,7 +1,7 @@
 class_name HurtBox extends Area2D
 
 signal damage_recieved(damage:float)
-@export_flags("player","enemy") var type
+@export_flags("player","enemy") var respond_from
 
 # Called when the node enters the scene tree for the first time.
 func _ready() -> void:
@@ -13,6 +13,6 @@ func _process(delta: float) -> void:
 	pass
 
 func on_damage_receieved(hitbox:HitBox):
-	if hitbox.affect & type: 
+	if hitbox.damage_type & respond_from: 
 		damage_recieved.emit(hitbox.damage)
 	#if type