feat(武器): 更新七魂武器效果并添加音效

- 添加攻击音效文件
- 修改七魂子弹生成逻辑，从7个改为6个并添加延迟
- 调整子弹生命周期和旋转动画
- 更新武器描述和属性
- 添加新的测试BOSS波浪数据

resources/sounds/weapon/Finale - Toby Fox.wav.import

@@ -0,0 +1,24 @@
+[remap]
+
+importer="wav"
+type="AudioStreamWAV"
+uid="uid://dy4k5mni7d7wo"
+path="res://.godot/imported/Finale - Toby Fox.wav-a122d18c8cba0afde963791b95e73116.sample"
+
+[deps]
+
+source_file="res://resources/sounds/weapon/Finale - Toby Fox.wav"
+dest_files=["res://.godot/imported/Finale - Toby Fox.wav-a122d18c8cba0afde963791b95e73116.sample"]
+
+[params]
+
+force/8_bit=false
+force/mono=false
+force/max_rate=false
+force/max_rate_hz=44100
+edit/trim=false
+edit/normalize=false
+edit/loop_mode=0
+edit/loop_begin=0
+edit/loop_end=-1
+compress/mode=0