Update style for quick start css

[dichotommy]

Quick start guide has a section called Integrate with Your Project which uses HTML and a css stylesheet to create a simple instant-search interface.

Once the browser search interface (aka web interface in the docs) has been redone, we should update this section of the docs using that CSS file (will make it prettier, plus allow users to view facets).

Will arrive with new engine (est. Summer 2021)

[maryamsulemani97]

@dichotommy, do we plan on doing this?

[bidoubiwa]

Current css is hosted here https://github.com/meilisearch/instant-meilisearch/tree/main/templates

[guimachiavelli]

As far as I can see, this was solved during the quick start review earlier this year. CSS file linked on the tutorial is exactly the same as the one on instant-meilisearch's latest release.