Add acoustics monitoring

I do not know if I'm doing the right thing. I tried to upload the script "acoustic.py" and I am asked to send a merge request. Is this the correct procedure? @tgal Thank you

scripts/acoustics.py

@@ -46,7 +46,8 @@ table=db.run_table(detid)
 
 
 ACOUSTIC_BEACONS = [12, 14, 16]
-DOM=[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18] # DOMs
+N_DOMS = 18
+DOMS = range(N_DOMS + 1)
 DU=[1,2,3,4,5] # DUs
 
 #ACOUSTIC_BEACONS=[16] # Acoustic Beacons