ctx.pathname was set to url including the query of the page to prefetch therefore the page was cached with the wrong key (article%3Fid=1?id=1), and that's why the cache didn't work (right key: article?id=1)
* Add prettier for examples directory * Fix files * Fix linting * Add prettier script in case it has to be ran again
* Add with-data-prefetch example * Fix typos * Improve example code
