feat(武器系统): 添加核弹武器及相关资源

实现核弹武器功能，包括：
- 添加核弹控制器武器脚本和场景
- 实现核弹子弹逻辑和爆炸效果
- 添加相关图片、音效资源
- 更新角色武器库包含核弹
- 调整武器名称颜色配置

scripts/Statemachine/EffectController.gd

@@ -3,9 +3,11 @@ class_name EffectController
 
 @export var oneShot: bool = true
 @export var spawnSound: String = ""
+@export var spawnAnimation: String = ""
 
 @onready var particles: GPUParticles2D = $"%particles"
-@onready var sounds = $"%sounds"
+@onready var sounds: Node2D = $"%sounds"
+@onready var animator: AnimationPlayer = $"%animator"
 
 func _ready():
 	particles.emitting = false
@@ -13,6 +15,8 @@ func _ready():
 	var sound = sounds.get_node_or_null(spawnSound)
 	if sound and sound.stream:
 		sound.play()
+	if spawnAnimation:
+		animator.play(spawnAnimation)
 func shot():
 	var cloned = particles.duplicate() as GPUParticles2D
 	cloned.emitting = true