feat: 1. 添加武器位置，1-6

2. 添加武器容器
3. 添加敌人的Hurtbox

scenes/unit/enemy/enemy_chaser_slow.tscn

@@ -12,6 +12,9 @@ radius = 4.0
 [sub_resource type="CircleShape2D" id="CircleShape2D_lmqbh"]
 radius = 150.0
 
+[sub_resource type="CircleShape2D" id="CircleShape2D_03rrj"]
+radius = 38.0
+
 [sub_resource type="CircleShape2D" id="CircleShape2D_421q1"]
 radius = 40.0
 
@@ -37,6 +40,15 @@ collision_mask = 2
 position = Vector2(0, -25)
 shape = SubResource("CircleShape2D_lmqbh")
 
+[node name="HurtboxComponent" parent="." index="4" unique_id=1155790880]
+collision_layer = 8
+collision_mask = 16
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="HurtboxComponent" index="0" unique_id=880029571]
+position = Vector2(0, -30)
+shape = SubResource("CircleShape2D_03rrj")
+debug_color = Color(0.59981126, 0.5382401, 0.22537157, 0.41960785)
+
 [node name="HitboxComponent" parent="." index="5" unique_id=151235566 instance=ExtResource("5_e15k4")]
 collision_layer = 4
 collision_mask = 32