browser-service-worker: Cannot run the example correctly

[oliveriosousa]

Issue description

Not able to run correctly the example, simply just can't replicate the expected behaviour

Steps to reproduce the issue

1. Install and run the example:

• npm install
• npm start

2. Perform all the steps described in the Readme file

What's the expected result?

• Being able to see IPFS content locally using the URL

What's the actual result?

• It is being displayed always the homepage