add domain creation callbacks
add logging of current PR action
add subdomain to Heroku
catch and log CloudFlare errors
add New Relic
add Sentry
use TracePoint to trigger Sentry capture
specify Ruby version
require Sentry
update to new version of Fourchette
update Puma
change when we load sentry
update to latest Fourchette with relaxed dependencies
tweak Puma's configuration
change the way errors are handled

Because TracePoint doesn’t work for what we want to do, no way to see
if the exception will be rescued…
add multi-zone support for domain creation callback