[mirotalksfu] - add keyboardShortcuts in config

public/js/Rules.js

@@ -46,6 +46,7 @@ let BUTTONS = {
         tabRecording: true,
         host_only_recording: true, // presenter
         pushToTalk: true,
+        keyboardShortcuts: true,
     },
     producerVideo: {
         videoPictureInPicture: true,