Extend Slack message (from webhook) with link and punctuation

[jankeesvw]

We are using Fizzy with Slack, and the current messages you'll get when connecting the webhook are not enough for me, it's currently this:

Jankees added The check-in system is broken

But I would like to change this to:

Jankees added: "The check-in system is broken" (https://fizzy.do/xyz)