Integrate with the `autotuner` Gem

[matsimitsu]

Shopify released the autotuner gem, which has a callback system to send metrics to a 3rd party.

We love metrics, so it might be a nice idea to integrate with this gem to create a "Magic Dashboard" experience for this gem.

Intercom: https://app.intercom.com/a/inbox/yzor8gyw/inbox/conversation/16410700311992?view=List

[tombruijn]

Internal discussion