app/controllers/management/home_controller.rb

@@ -0,0 +1,6 @@
+module Management
+  class HomeController < ManagementController
+    def index
+    end
+  end
+end

app/controllers/management/management_controller.rb

@@ -0,0 +1,5 @@
+module Management
+  class ManagementController < ::ApplicationController
+    layout 'management'
+  end
+end

app/views/management/home/index.html.slim

@@ -0,0 +1 @@
+p Hello

config/routes.rb

@@ -4,6 +4,10 @@ Rails.application.routes.draw do
 
   devise_for :users, controllers: {registrations: 'registrations', sessions: 'sessions'}
 
+  scope :management, module: :management do
+    get '/', to: 'home#index'
+  end
+
   root 'home#index'
   # The priority is based upon order of creation: first created -> highest priority.
   # See how all your routes lay out with "rake routes".