Add a mock home page

app/controllers/static_pages_controller.rb

@@ -0,0 +1,4 @@
+class StaticPagesController < ApplicationController
+  def home
+  end
+end

app/views/static_pages/home.html.erb

@@ -0,0 +1,3 @@
+<h2>Home</h2>
+
+<p>This is the home page of the website Astuto.</p>

config/routes.rb

@@ -1,3 +1,4 @@
 Rails.application.routes.draw do
+  root to: 'static_pages#home'
   devise_for :users
 end