init moderation controller

app/controllers/moderation_controller.rb

@@ -0,0 +1,4 @@
+class ModerationController < ApplicationController
+  def index
+  end
+end

app/helpers/moderation_helper.rb

@@ -0,0 +1,2 @@
+module ModerationHelper
+end

app/views/moderation/index.html.erb

@@ -0,0 +1,2 @@
+<h1>Moderation#index</h1>
+<p>Find me in app/views/moderation/index.html.erb</p>

config/routes.rb

@@ -1,6 +1,8 @@
 require 'sidekiq/web'
 Rails.application.routes.draw do
 
+  get 'moderation/index'
+
   mount RailsAdmin::Engine => '/justask_admin', as: 'rails_admin'
   constraints ->(req) { req.env["warden"].authenticate?(scope: :user) &&
                         req.env['warden'].user.admin? } do