Implement default hooks for ringing and incoming texts, playing audio

configs/default_hooks/sms

@@ -0,0 +1,10 @@
+#!/usr/bin/env sh
+
+# This script is executed after you received a text
+#You can use it to play a notification sound or forward the sms elsewhere
+
+#The following parameters are provided:
+#CONTACTNAME="$1"
+#TEXT="$2"
+
+mpv --quiet --no-video /usr/share/sxmo/notify.ogg