refactor(Bullets): 重构格挡子弹逻辑并提取特效创建方法

将ParrierBullet中的特效创建逻辑提取到ParryEffect和ParryEntityEffect类中
修改Volcano子弹的碰撞形状为矩形并更新相关特效调用
调整MuyangDog角色的默认武器为Volcano
统一多个子弹脚本中的函数调用空格格式

components/Bullets/Volcano.tscn

@@ -183,8 +183,8 @@ _data = {
 &"spawn": SubResource("Animation_o5h0y")
 }
 
-[sub_resource type="CircleShape2D" id="CircleShape2D_1sgli"]
-radius = 78.05767
+[sub_resource type="RectangleShape2D" id="RectangleShape2D_1sgli"]
+size = Vector2(23.999994, 124)
 
 [node name="Volcano" unique_id=2046549391 instance=ExtResource("1_gd3m7")]
 script = ExtResource("2_w1utg")
@@ -212,7 +212,7 @@ texture = ExtResource("2_wwxm2")
 [node name="hitbox" parent="." index="1" unique_id=175349408 node_paths=PackedStringArray("target")]
 position = Vector2(299.99997, 0.1221919)
 rotation = 0.00040731629
-shape = SubResource("CircleShape2D_1sgli")
+shape = SubResource("RectangleShape2D_1sgli")
 script = ExtResource("7_1sgli")
 target = NodePath("../texture/anchor/textureSword")
 offsetRotation = 45.0