Correctly configure app insights for the web app (#592)

Required by #585

Author: adamdougal

code/app.py

@@ -1,8 +1,8 @@
 from azure.monitor.opentelemetry import configure_azure_monitor
 from create_app import create_app
 
+configure_azure_monitor()
 app = create_app()
 
 if __name__ == "__main__":
     app.run()
-    configure_azure_monitor()