Repair connection to Hub port (#110)

StockTickR/NodeClient/app.js

@@ -1,7 +1,7 @@
 const signalR = require("@microsoft/signalr");
 
 var hubConnection = new signalR.HubConnectionBuilder()
-    .withUrl("http://127.0.0.1:57853/stocks")
+    .withUrl("http://127.0.0.1:5000/stocks")
     .build();
 
 hubConnection.start()