Update keyboard-shortcuts.md

added links to the reference PDFs

Author: mauritselzinga-mx

content/en/docs/refguide/general/studio-pro-overview/keyboard-shortcuts.md

@@ -11,6 +11,8 @@ description: "Describes the shortcut keys available in Studio Pro."
 
 This document summarizes the shortcut keys available in Studio Pro. This document is divided into sections which indicate where you can use the keys.
 
+You can also download the Windows shortcuts as a reference pdf in a [dark](https://www.mendix.com/wp-content/uploads/Windows-Keyboard-Shortcuts-dark-mode.pdf) or [light](https://www.mendix.com/wp-content/uploads/Windows-Keyboard-Shortcuts-light-mode.pdf) variant.
+
 ## General Shortcut Keys
 
 These keys are available in multiple places within Studio Pro and work generically.