feat: 创建 upgrade 数据resource，编写upgrade_panel.gd动态生成升级卡片

scenes/ui/upgrade_card/upgrade_card.tscn

@@ -31,6 +31,7 @@ theme_override_constants/margin_bottom = 8
 layout_mode = 2
 
 [node name="Icon" type="TextureRect" parent="MarginContainer/Control" unique_id=1868739971]
+unique_name_in_owner = true
 custom_minimum_size = Vector2(100, 100)
 layout_mode = 0
 offset_right = 40.0
@@ -40,6 +41,7 @@ expand_mode = 1
 stretch_mode = 5
 
 [node name="Name" type="Label" parent="MarginContainer/Control" unique_id=1952735558]
+unique_name_in_owner = true
 layout_mode = 0
 offset_left = 100.0
 offset_top = 10.0
@@ -50,6 +52,7 @@ label_settings = SubResource("LabelSettings_mkexl")
 vertical_alignment = 1
 
 [node name="Description" type="Label" parent="MarginContainer/Control" unique_id=1620881988]
+unique_name_in_owner = true
 modulate = Color(0.827451, 0.9098039, 0.17254902, 1)
 layout_mode = 0
 offset_left = 100.0