Note on connecting users to the VoIP server

src/freedombone

       echo '===========' >> /home/$MY_USERNAME/README
       echo 'VoIP server username: mumble-server' >> /home/$MY_USERNAME/README
       echo "VoIP server password: $VOIP_SERVER_PASSWORD" >> /home/$MY_USERNAME/README
+      echo '' >> /home/$MY_USERNAME/README
+      echo 'To connect to the VoIP server use your username and the server password shown above.' >> /home/$MY_USERNAME/README
       chown $MY_USERNAME:$MY_USERNAME /home/$MY_USERNAME/README
   fi