move broadcast websocket out into its own process

installer/roles/image_build/files/supervisor.conf

@@ -35,8 +35,19 @@ stdout_logfile_maxbytes=0
 stderr_logfile=/dev/stderr
 stderr_logfile_maxbytes=0
 
+[program:wsbroadcast]
+command = awx-manage run_wsbroadcast
+directory = /var/lib/awx
+autostart = true
+autorestart = true
+stopwaitsecs = 5
+stdout_logfile=/dev/stdout
+stdout_logfile_maxbytes=0
+stderr_logfile=/dev/stderr
+stderr_logfile_maxbytes=0
+
 [group:tower-processes]
-programs=nginx,uwsgi,daphne
+programs=nginx,uwsgi,daphne,wsbroadcast
 priority=5
 
 # TODO: Exit Handler