Hard code some data in the Python

This commit adds some stubbed data for the pages. The structure of the data
is just a proposal, but it gives the templates something to work with for now.

app/templates/views/check-sms.html

@@ -1,4 +1,5 @@
 {% extends "admin_template.html" %}
+{% from "components/sms-message.html" import sms_message %}
 
 {% block page_title %}
 GOV.UK Notify | Send text messages
@@ -10,10 +11,10 @@ GOV.UK Notify | Send text messages
 	<div class="column-two-thirds">
 		<h1 class="heading-xlarge">Send text messages</h1>
 
-		<p>This page will be where we check the text messages we're about to send</p>
+		{{ sms_message(message_template) }}
 
   	<p>
-  	<a class="button" href="dashboard" role="button">Send text messages</a>
+	  	<a class="button" href="/check-sms" role="button">Send {{recipient_count}} text messages</a>
   	</p>
 	</div>
 </div>