Testing the template

To test the template, we will follow these steps:

1. Inside the initial directory, run the node app.js command.
2. Now, in a browser, open the http://localhost:8080/ URL. You should see this output:
   
3. Now, type something in the search box and click on the Search button. You should then see this output:
   
4. Now, enter an invalid path in the address bar. You should be able to see this output: