modified README.md to reflect the announcement of cherry mx blue sounds but the packaging process has not been modified to include the installation of the sounds in their appropriate location

Author: ahmednofal

README.md

@@ -21,6 +21,9 @@ ScrollLock twice (but be aware that those ScrollLock events _are_ delivered to
 the application); same to unmute. The keycode for muting can be changed with
 the `-m` option. Use keycode 0 to disable the mute function.
 
+You can also use cherry mx blue sounds, pulled from the
+keyclacker project https://github.com/spajus/keyclacker
+
 Installation
 ------------
 
@@ -161,3 +164,4 @@ properly tuning OpenAL for bucklespring.
  ````
  allow-moves = true
  ````
+