Sylvain Utard

To build 1 index per user for example.

It's hard to read since the introduction of Sequel.

## The problem Add [this sandbox](https://codesandbox.io/s/instantsearchjs-with-collapsable-refinement-list-89y1u?file=/src/app.js:804-822) demoing a collapsable refinement list to the templates folder so it shows on https://instantsearch-templates.netlify.app/

Ability to tail logs

2

Would be amazing to be able to do `algolia tail [-f] [-n X] [-t all|build|search|error] -a APPID -k KEY` to tail the logs the CLI would poll/dedup.

Fix option name compared to API clients & IS:`appId` -> `applicationID`

9

Should be easy to keep the backward compat. Either with: ``` insights({ applicationID: '', apiKey: '' }); ``` or ``` insights('appid', 'apikey'); ```