feat(武器): 添加大激光武器并更新武器卡组件

实现大激光武器功能，包括攻击逻辑和属性配置
将武器卡的选择按钮重命名为更新按钮以更准确反映功能
调整武器卡描述文本居中显示并更新能量消耗数值

scripts/Contents/Weapons/BigLaser.gd

@@ -0,0 +1,11 @@
+extends Weapon
+class_name BigLaserWeapon
+
+func update(to: int, origin: Dictionary, _entity: EntityBase):
+	origin["atk"] += 5 * to
+	origin["time"] /= 1.1
+	return origin
+func attack(entity: EntityBase):
+	var weaponPos = entity.findWeaponAnchor("normal")
+	BulletBase.generate(preload("res://components/Bullets/BigLaser.tscn"), entity, weaponPos, (get_global_mouse_position() - weaponPos).angle())
+	return true

scripts/Structs/Weapon.gd

@@ -22,12 +22,12 @@ signal selected(applied: bool)
 @onready var energyLabel: Label = $"%energy"
 @onready var descriptionLabel: RichTextLabel = $"%description"
 @onready var costsBox: GridContainer = $"%costs"
-@onready var selectButton: Button = $"%selectBtn"
+@onready var updateButton: Button = $"%updateBtn"
 
 var cooldownTimer = CooldownTimer.new()
 
 func _ready():
-	selectButton.pressed.connect(
+	updateButton.pressed.connect(
 		func():
 			apply(UIState.player)
 	)