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

components/Weapons/NuclearBomb.tscn

@@ -0,0 +1,47 @@
+[gd_scene load_steps=4 format=3 uid="uid://b2qhes4apaxsj"]
+
+[ext_resource type="PackedScene" uid="uid://ckq2cq6m23hq3" path="res://components/Abstracts/WeaponCardBase.tscn" id="1_k4t0h"]
+[ext_resource type="Texture2D" uid="uid://cp57lmeohvo3o" path="res://resources/weapons/nuclear-bomb.png" id="2_5nh8i"]
+[ext_resource type="Script" path="res://scripts/Contents/Weapons/NuclearBomb.gd" id="2_hscw2"]
+
+[node name="NuclearBomb" instance=ExtResource("1_k4t0h")]
+script = ExtResource("2_hscw2")
+avatarTexture = ExtResource("2_5nh8i")
+displayName = "核弹控制器"
+quality = 4
+typeTopic = 2
+costBeachball = 100
+store = {
+"atk": 20,
+"radius": 1000.0
+}
+storeType = {
+"atk": 1,
+"radius": 1
+}
+descriptionTemplate = "倒计时10秒后对半径$radius范围的实体造成$atk点[b]无差别伤害[/b]。"
+needEnergy = 200.0
+cooldown = 1000.0
+
+[node name="avatar" parent="container/info" index="0"]
+texture = ExtResource("2_5nh8i")
+
+[node name="energy" parent="container/info/infos/energyInfo" index="1"]
+text = "200.0"
+
+[node name="beachball" parent="container/info/infos/beachballInfo" index="1"]
+text = "100"
+
+[node name="name" parent="container/info" index="2"]
+displayName = "核弹控制器"
+quality = 4
+typeTopic = 2
+typeTopicColorMap = {
+0: Color(1, 1, 1, 1),
+1: Color(0, 0.708754, 1, 1),
+2: Color(1, 0.274813, 0, 1),
+3: Color(0.707984, 0, 1, 1)
+}
+
+[node name="description" parent="container" index="2"]
+text = "[center]倒计时10秒后对半径[color=cyan]1000[/color]→[color=yellow]1020[/color]范围的实体造成[color=cyan]20[/color]→[color=yellow]45[/color]点[b]无差别伤害[/b]。[/center]"