LINXD-2342: Added documentation for kind

app.js

@@ -370,6 +370,8 @@ peers.on('connection', async (socket) => {
         ? videoCalls[callId].receiverSocket
         : videoCalls[callId].initiatorSocket;
 
+      // callId - Id of the call
+      // kind - producer type: audio/video
       socketToEmit.emit('new-producer', { callId, kind });
     } catch (error) {
       console.log(`ERROR | transport-produce | callId ${socketDetails[socket.id]} | ${error.message}`);