Add in a root to the application.

app/controllers/root_controller.rb

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

app/views/layouts/application.html.haml

@@ -16,7 +16,8 @@
           %h1= link_to "SagePay Rails Example", root_path
 
         %ul#navigation
-          %li.first= link_to 'Home', root_path
+          %li.first= link_to 'Home',       root_path
+          %li=       link_to 'Currencies', currencies_path
 
         %hr
       #content

app/views/root/index.html.haml

@@ -0,0 +1,14 @@
+%h1 Welcome
+
+%p
+  The purpose of this application is to test out the integration with the
+  SagePay API of our sage_pay gem. It is in no way affiliated with Sage, it
+  doesn't have their blessing and it certainly hasn't been funded by them
+  (though that would be nice!).
+
+%p
+  As functionality is incorporated to the app, it will be linked to, where
+  possible, from here. So far, there is:
+
+%ul
+  %li= link_to "Currency management", currencies_path

config/routes.rb

@@ -1,3 +1,5 @@
 ActionController::Routing::Routes.draw do |map|
   map.resources :currencies
+
+  map.root :controller => 'root'
 end

spec/controllers/root_controller_spec.rb

@@ -0,0 +1,19 @@
+require 'spec_helper'
+
+describe RootController do
+  describe "responding to GET index" do
+    def do_get
+      get :index
+    end
+
+    it "should be successful" do
+      do_get
+      response.should be_success
+    end
+
+    it "should render the index template" do
+      do_get
+      response.should render_template('index')
+    end
+  end
+end