Refactoring

src/jakecharman/templates/error.html

@@ -0,0 +1,11 @@
+{% include 'header.html' %}
+<main>
+    <div id="error-container">
+        <div id='error'>
+            <h2>{{ error }}</h2>
+            <p>{{ description }}</p>
+            <a href='/'>Click here to return to the homepage</a>
+        </div>
+    </div>
+</main>
+{% include 'footer.html' %}