feat: adding command bar shortcut documentation

Author: andrea-marchionni

docs/user-manual/nethlink/configuration.md

@@ -48,12 +48,8 @@ NethLink allows you to customize keyboard shortcuts for common operations:
 
 Currently available shortcuts are:
 
-- Call initiation
-- Answer call
-- Reject call
-- End call
-- Mute/unmute
-- Hold/resume
+- Click to call
+- Call initiation(Command bar)
 
 ## Application Settings {#application-settings}