Proposal: add linting and prettier configurations

[vvo]

What do you think about adding by default the right linting and prettier configurations form https://github.com/algolia/eslint-config-algolia/?

[vvo]

and also editorconfig

[francoischalifour]

I'm not sure it's a great thing to force users to use our own conventions. I was wondering if we should add more tooling to the templates. If you think this is the right choice, we can add those.

[samouss]

Maybe not only ours, we can allow the user to pick a specific preset like ours, Airbnb, ...