[Webhook] Add a minimal webhook implementation.
[Webhook] Improve and describe.
[Webhook] Webhook starter file.
[Webhook] Require (currently in the rackup file).
[Webhook] Run webhook worker process on Heroku.
[Rubocop] "Your move, creep."
[Webhook] Add notes, and run each URL in its own fork.
Rename WebHook to Webhook. Implement a reasonably non-blocking Webhook.call.
Require webhook in init.rb.
[RuboCop] ... has issues.
[Webhook] Add spec for time spent waiting for Webhook.call.
[Webhook] Add warning. Extract ENV access.
[Rubocop].make_happy()