some early steps remaking the GUI with UnityEngine.UI, working in all tested game so far

src/Input/InputSystem.cs

@@ -4,9 +4,9 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using UnityEngine;
-using Explorer.Helpers;
+using ExplorerBeta.Helpers;
 
-namespace Explorer.Input
+namespace ExplorerBeta.Input
 {
     public class InputSystem : IAbstractInput
     {