feat(recording): expose recording status and type constants

JitsiMeetJS.js

 import * as JitsiTrackErrors from './JitsiTrackErrors';
 import * as JitsiTrackEvents from './JitsiTrackEvents';
 import LocalStatsCollector from './modules/statistics/LocalStatsCollector';
+import Recording from './modules/xmpp/recording';
 import Logger from 'jitsi-meet-logger';
 import * as MediaType from './service/RTC/MediaType';
 import Resolutions from './service/RTC/Resolutions';
     JitsiConnection,
     constants: {
         participantConnectionStatus: ParticipantConnectionStatus,
+        recordingStatus: Recording.status,
+        recordingTypes: Recording.types,
         sipVideoGW: VideoSIPGWConstants
     },
     events: {