LINXD-2197: Added comments; Catch errors; Fix package.json start:run script

@@ -115,0 +117,4 @@
+      videoCalls[callId].router.close();
+      delete videoCalls[callId];
+    }
+  } catch (error) {

@@ -130,3 +148,2 @@
   socket.on('disconnect', () => {
-    // do some cleanup
-    console.log('peer disconnected | socket.id', socket.id)
+    console.log('peer disconnected | socket.id', socket.id);

@@ -162,0 +188,4 @@
+      console.log(`[createWebRtcTransport] sender ${sender} | callId ${callId}`);
+      if (sender && !videoCalls[callId].producerTransport) {
+        videoCalls[callId].producerTransport = await createWebRtcTransportLayer(callId, callback)
+      } else if (!sender && !videoCalls[callId].consumerTransport) {

@@ -193,0 +245,4 @@
+      console.log(`[transport-recv-connect] socket.id ${socket.id} | callId ${callId}`);
+      await videoCalls[callId].consumerTransport.connect({ dtlsParameters });
+    } catch (error) {
+      console.log(`ERROR | transport-recv-connect | callId ${socketDetails[socket.id]} | ERROR`);