Extending documentation in xunit area for recipe how to use Reqnroll ITestOutputHelper and Alba when testing WebApi

[AdaskoTheBeAsT]

Hi,

I would like to extend documentation for xunit area for recipe how to use Reqnroll ITestOutputHelper and Alba
I have some small working recipe which can help also other people

[gasparnagy]

This is great. You can either add your description as a new page to the documentation to the integrations section or if that is more like a sample, then you can just link it from the samples section.

Please let us know if you need help (with review or with linking it to the docs).