Fix the response stream of service worker
Fix the response stream of service worker

After service worker update (rebuild the site), the following error will occasionally appear:

```
The FetchEvent for "<url_from_CDN>" resulted in a network error response: an "opaque" response was used for a request whose type is not no-cors
```

This commit ensures that the response object has been cached before being returned.

akshaysth/akshaysth.github.io,akshaysth/akshaysth.github.io,ankitrokdeonsns/ankitrokdeonsns.github.io,ankitrokdeonsns/ankitrokdeonsns.github.io,akshaysth/akshaysth.github.io,akshaysth/akshaysth.github.io