Add Sidekiq web to project (#914)

This is only accessible when you are logged in as a support user. It is accessible at /sidekiq

config/initializers/sidekiq.rb

@@ -1,3 +1,5 @@
+require "sidekiq/web"
+
 if Rails.env.staging? || Rails.env.production?
   redis_url = Configuration::PaasConfigurationService.new.redis_uris[:"dluhc-core-#{Rails.env}-redis"]
 

config/routes.rb

@@ -1,5 +1,8 @@
 # For details on the DSL available within this file, see https://guides.rubyonrails.org/routing.html
 Rails.application.routes.draw do
+  mount_sidekiq = -> { mount Sidekiq::Web => "/sidekiq" }
+  authenticate(:user, :support?.to_proc, &mount_sidekiq)
+
   devise_for :users, {
     path: :account,
     controllers: {