* Add delayed_job_web to dev environment for debugging
* Add specs for the current Follow callbacks implementation
* Move follower touching to ActiveJob
* Spec for the touch followers job
* Move Follow#create_chat_channel to ActiveJob and make the job safe
* Add ActiveJob to send email notifications about follows
* Enqueue SendEmailNotificationJob after the follow is created
* Specs to wnsure jobs are enqueued on Follow creation
* Make CreateChatChannelJob queue name more specific