add denoising engine

Author: baltzell

etc/services/rgl-clarode.yml

@@ -19,6 +19,8 @@ io-services:
     class: org.jlab.io.clara.DecoderWriter
     name: DecoderWriter
 services:
+  - class: org.jlab.service.ai.DCDenoiseEngine
+    name: DCDN
   - class: org.jlab.clas.swimtools.MagFieldsEngine
     name: MAGFIELDS
   - class: org.jlab.rec.ft.cal.FTCALEngine