feat(UI): 添加祝贺消息类型并更新提示框样式

- 在TipBox枚举中添加CONGRATULATION类型
- 更新提示框背景颜色和消息类型颜色映射
- 当击败boss时显示祝贺消息而非普通信息

components/UI/TipBox.tscn

@@ -8,7 +8,7 @@ content_margin_left = 10.0
 content_margin_top = 5.0
 content_margin_right = 10.0
 content_margin_bottom = 5.0
-bg_color = Color(0, 0, 1, 1)
+bg_color = Color(0, 0.5265789, 1, 1)
 corner_radius_top_right = 100
 corner_radius_bottom_right = 100
 
@@ -107,9 +107,10 @@ offset_bottom = 34.0
 theme_override_styles/panel = SubResource("StyleBoxFlat_5pngc")
 script = ExtResource("1_7vuk3")
 colorMap = {
-0: Color(0, 0.5265789, 1, 1),
-1: Color(1, 0.48120707, 0, 1),
-2: Color(1, 0, 0, 1)
+0: Color(0, 0.55724907, 1, 1),
+1: Color(1, 0.4649545, 0, 1),
+2: Color(1, 0, 0, 1),
+3: Color(1, 0.88726026, 0, 1)
 }
 
 [node name="label" type="RichTextLabel" parent="."]