'Why? What? Who? How?' format

[iteles]

All of dwyl's tutorials follow @nelsonic's simple 'Why? What? Who? How?' format that provides excellent context and helps beginners tremendously.

He wrote an excellent explanation of this format as an example in https://github.com/dwyl/learn-isomnia/issues/1 and it would be a shame to not include it in a readme here for anyone who would like a reference.