Show USB help text according to the current OS

Client/GUI/UsbDevicesView.cs

@@ -193,6 +193,10 @@ public override void Draw()
 
  if (Program.IsWindows)
  ImGui.TextWrapped("The first time you run SysDVR on Windows you must install the USB driver, follow the guide.");
+ else if (Program.IsLinux)
+ ImGui.TextWrapped("To properly use USB mode on Linux you need to install the needed udev rule according to the guide");
+ else if (Program.IsAndroid)
+ ImGui.TextWrapped("In case of issues make sure your device supports USB OTG, note that certain USB C to C cables are known to cause issues, try with a OTG adapter on your phone USB port");
  }
  else
  {