make hfdl available as a service

owrx/modes.py

@@ -188,6 +188,7 @@ class Modes(object):
             underlying=["empty"],
             bandpass=Bandpass(0, 3000),
             requirements=["dumphfdl"],
+            service=True,
             squelch=False,
         ),
         DigitalMode(

owrx/service/__init__.py

@@ -315,6 +315,9 @@ class ServiceHandler(SdrSourceEventClient):
         elif mod == "adsb":
             from csdr.chain.dump1090 import Dump1090
             return Dump1090()
+        elif mod == "hfdl":
+            from csdr.chain.dumphfdl import DumpHFDL
+            return DumpHFDL()
 
         raise ValueError("unsupported service modulation: {}".format(mod))