Added log when connect to send transport(as producer)

public/index.js

@@ -270,6 +270,7 @@ const createSendTransport = () => {
 }
 
 const connectSendTransport = async () => {
+  console.log('[connectSendTransport]');
   // we now call produce() to instruct the producer transport
   // to send media to the Router
   // https://mediasoup.org/documentation/v3/mediasoup-client/api/#transport-produce