Move all pages into their own directory

There are a lot of pages. It seems like a good idea to keep them in one place,
so they don’t get mixed up with partials and layouts.

app/templates/views/two-factor.html

@@ -0,0 +1,30 @@
+{% extends "admin_template.html" %}
+
+{% block page_title %}
+GOV.UK Notify | Text verification
+{% endblock %}
+
+{% block content %}
+
+<div class="grid-row">
+	<div class="column-two-thirds">
+		<h1 class="heading-xlarge">Text verification</h1>
+
+		<p>We've sent you a text message with a verification code.</p>
+
+
+		<form autocomplete="off" action="" method="post">
+			{{ form.hidden_tag() }}
+  			<p>
+				<label class="form-label">Enter verification code</label><br>
+				{{ form.sms_code(class="form-control-1-4", autocomplete="off") }} <br>
+				<span class="font-xsmall"><a href="verification-not-received">I haven't received a text</a></span>
+  			</p>
+  			<p>
+  			<button class="button" href="dashboard" role="button">Continue</button>
+  			</p>
+		</form>
+	</div>
+</div>
+
+{% endblock %}