Chore: Routine Bugfixes and enhancements (#979)

- Fix slack scopes
- Docs for authentication
Fixes: #704 , #973

config/initializers/redis.rb

@@ -7,3 +7,7 @@ redis = Rails.env.test? ? MockRedis.new : Redis.new(app_redis_config)
 # Alfred - Used currently for round robin and conversation emails.
 # Add here as you use it for more features
 $alfred = Redis::Namespace.new('alfred', redis: redis, warning: true)
+
+# https://github.com/mperham/sidekiq/issues/4591
+# TODO once sidekiq remove we can remove this
+Redis.exists_returns_integer = false