update: 更新到godot4.4.1，并大量重构代码

Scenes/Mods.tscn

@@ -0,0 +1,23 @@
+[gd_scene load_steps=3 format=3 uid="uid://c2ov83uk7r6rq"]
+
+[ext_resource type="Theme" uid="uid://intlbeu8h82r" path="res://Asserts/defaultTheme.tres" id="1_mhtia"]
+[ext_resource type="Script" uid="uid://c8t8d8e7inajy" path="res://Scripts/Controllers/Mods.cs" id="1_mnyng"]
+
+[node name="MarginContainer" type="MarginContainer"]
+offset_right = 720.0
+offset_bottom = 1280.0
+theme = ExtResource("1_mhtia")
+theme_override_constants/margin_left = 30
+theme_override_constants/margin_top = 30
+theme_override_constants/margin_right = 30
+theme_override_constants/margin_bottom = 30
+script = ExtResource("1_mnyng")
+
+[node name="VBoxContainer" type="VBoxContainer" parent="."]
+layout_mode = 2
+
+[node name="Button" type="Button" parent="VBoxContainer"]
+layout_mode = 2
+text = "back"
+
+[connection signal="pressed" from="VBoxContainer/Button" to="." method="OnBack"]