Split Help page into Trial Mode and Pricing pages

- Add routes
- Add footer links
- Make heading size consistent on Cookies page

app/templates/views/pricing.html

@@ -0,0 +1,58 @@
+{% extends "withoutnav_template.html" %}
+
+{% block page_title %}
+  Pricing – GOV.UK Notify
+{% endblock %}
+
+{% block maincolumn_content %}
+
+<div class="grid-row">
+  <div class="column-two-thirds">
+    <h1 class="heading-large">Pricing</h1>
+
+    <h2 class="heading-medium">Emails</h2>
+
+    <p>
+      Sending email through GOV.UK&nbsp;Notify is completely free.
+    </p>
+
+    <h2 class="heading-medium">Text messages</h2>
+
+    <ul class="list list-bullet">
+      <li>Free allowance: 250,000 SMS per service, per financial year</li>
+      <li>Standard rate: 1.8 pence per SMS</li>
+      <li>Fail-over rate: 2.5 pence per SMS</li>
+    </ul>
+
+    <p>
+      You only pay the fail-over rate if we can’t deliver your text message
+      through our primary SMS provider.
+    </p>
+
+    <p>
+      We simply charge you the costs we pay to our delivery partners.
+      We don’t mark these costs up in any way.
+    </p>
+
+    <h4 class="heading-small">SMS and text message length</h4>
+    <ul class="list list-bullet">
+      <li>Up to 160 characters = 1 SMS</li>
+      <li>Up to 306 characters = 2 SMS</li>
+      <li>Up to 459 characters = 3 SMS</li>
+    </ul>
+
+    <h2 class="heading-medium">No monthly charge or setup fee</h2>
+    <p>
+      There are no other charges for using Notify. There’s no monthly charge
+      or setup fee.
+    </p>
+
+    <p>
+      The Government Digital Service is funding the development and running
+      of Notify. We’re also covering the cost of the free emails and text messages.
+    </p>
+
+  </div>
+</div>
+
+{% endblock %}