Add Movement library integration with comprehensive test environment: include Movement.csproj reference, create LibraryTest scene with player controller, multiple test areas (bunny hop platforms, surf ramps, vertical tower, speed corridor), advanced lighting setup, input mappings for WASD/gamepad movement controls, and DebugHUD integration

Scripts/UI/DebugHUD.cs

@@ -0,0 +1,16 @@
+using Godot;
+
+namespace Voider.UI;
+
+public partial class DebugHUD : Control
+{
+    [Export] public Label SpeedVal { get; set; }
+    [Export] public Label StateVal { get; set; }
+    [Export] public Label PositionVal { get; set; }
+    [Export] public Label VelocityVal { get; set; }
+
+    public override void _Ready()
+    {
+        Engine.MaxFps = 120;
+    }
+}