[#22] Add res.redirect API

[FaberVitale]

References:

• issue: https://github.com/asos-craigmorten/opine/issues/22

• express docs: https://expressjs.com/en/4x/api.html#res.redirect

Issue

#22

Details

Implementation of the res.redirect api, resolves #22 .

References:

• expressJsDocs: https://expressjs.com/en/4x/api.html#res.redirect

• expressJsCode: https://github.com/expressjs/express/blob/master/lib/response.js#L891

Notable changes comparared to expressJs version

Raises exception if arguments provided are not valid.

CheckList

• [x] PR starts with [#22].
• [x] Has been tested (where required) before merge to main.

[github-actions[bot]]

Benchmark results

PR to merge feat/issue-22-res-redirect-api 89a136b4047cf2c01ad0802f05e5024ab04f3fe7 -> main

``` 1 middleware 8137.14 RPS 5 middleware 8100.89 RPS 10 middleware 8063.51 RPS 15 middleware 8058.42 RPS 20 middleware 7666.85 RPS 30 middleware 7731.36 RPS 50 middleware 7382.41 RPS 100 middleware 6612.08 RPS ```

[asos-craigmorten]

One comment r.e. removing the superfluous content-length logic, otherwise looks amazing!

[asos-craigmorten]

Awesome job @FaberVitale! If you're keen can look to add you as a Contributor to the project?

Let's get this merged and released.