Microsoft Teams: an Adaptive Card by a channel's workflow webhook (or an incoming webhook).
channels: [teams: {Chime.Channels.Teams, to: System.fetch_env!("TEAMS_WEBHOOK_URL")}]The address is the webhook's URL: one for everyone (to:), or each
person's in their data (data.teams). It says the notifier's teams/3
(a text, or :title, :body, :url), else the feed's words, with a
button to the link that reads the notification. Options: :to,
:req_options.