fix: Correct some missing comas in config.js.

config.js

     // opusMaxAverageBitrate: 20000,
 
     // Enables support for opus-red (redundancy for Opus).
-    // enableOpusRed: false
+    // enableOpusRed: false,
 
     // Video
 
 
         // If set to true, it will prefer to use H.264 for P2P calls (if H.264
         // is supported). This setting is deprecated, use preferredCodec instead.
-        // preferH264: true
+        // preferH264: true,
 
         // Provides a way to set the video codec preference on the p2p connection. Acceptable
         // codec values are 'VP8', 'VP9' and 'H264'.
         // The interval at which rtcstats will poll getStats, defaults to 1000ms.
         // If the value is set to 0 getStats won't be polled and the rtcstats client
         // will only send data related to RTCPeerConnection events.
-        // rtcstatsPolIInterval: 1000
+        // rtcstatsPolIInterval: 1000,
 
         // Array of script URLs to load as lib-jitsi-meet "analytics handlers".
         // scriptURLs: [
     // disableTileView: true,
 
     // Hides the conference subject
-    // hideConferenceSubject: true
+    // hideConferenceSubject: true,
 
     // Hides the conference timer.
     // hideConferenceTimer: true,
 
     // Hides the participants stats
-    // hideParticipantsStats: true
+    // hideParticipantsStats: true,
 
     // Sets the conference subject
     // subject: 'Conference Subject',