Revert missing new lien at the end of text file.

Author: niw

README.md

@@ -37,4 +37,4 @@ This application is using `CGEventTap` to listen key down and up or tap events o
 It triggers haptic feedbacks by using private APIs in `MultitouchSupport.framework` when the event meets the conditions.
 
 Currently, the application is listening either ESC and F1, F2, etc. keys or tap events on Touch Bar.
-You can implement your own `HTKEventListener` to extend the application to trigger feedbacks on arbitrary events.
+You can implement your own `HTKEventListener` to extend the application to trigger feedbacks on arbitrary events.