feat: add in-game debug console UI

src/Godot/Mappings/InputAction.cs

@@ -9,7 +9,8 @@ public enum InputAction
     MoveForward,
     MoveBack,
     Jump,
-    Cancel
+    Cancel,
+    ToggleConsole
 }
 
 public static class InputActionExtensions
@@ -25,6 +26,7 @@ public static class InputActionExtensions
         InputAction.MoveBack => "move_back",
         InputAction.Jump => "jump",
         InputAction.Cancel => "ui_cancel",
+        InputAction.ToggleConsole => "toggle_console",
         _ => throw new ArgumentOutOfRangeException(nameof(action), action, null)
     };
 }