* Remove dead code * Rename SlackBotPingWorker to Slack::Messengers::Worker * Remove useless Slack mock * Fix specs
* Add Slack::Messengers::ArticlePublished * Add Slack::Messengers::ReactionVomit * Add Slack::Messengers::CommentUserWarned * Add missing URL helpers * Add Slack::Messengers::ArticleFetchedFeed * Remove callback condition * Build, don't create