Add back FreeSWITCH config for bigbluebutton.properties (bbb-apps)

bigbluebutton-apps/src/main/webapp/WEB-INF/bigbluebutton.properties

@@ -19,6 +19,10 @@
 # Locate of BBB default meeting dir
 default.BigBlueButtonDirectory=/var/bigbluebutton
 
+freeswitch.esl.host=127.0.0.1
+freeswitch.esl.port=8021
+freeswitch.esl.password=ClueCon
+
 redisHost=127.0.0.1
 redisPort=6379
 redisPassword=