Add letter-jobs page, update admin menu

app/templates/views/letter-jobs.html

@@ -0,0 +1,43 @@
+{% extends "withoutnav_template.html" %}
+{% from "components/page-footer.html" import page_footer %}
+
+{% block service_page_title %}
+  Show letter jobs
+{% endblock %}
+
+{% block maincolumn_content %}
+
+    <h1 class="heading-large">Letter jobs</h1>
+
+    <form autocomplete="off" method="post">
+      <p>
+        <table>
+          <thead>
+            <tr>
+              <th>Service name</th>
+              <th>Job ID</th>
+              <th>Status</th>
+              <th colspan="2">Created at</th>
+            </tr>
+          </thead>
+        {% for job in letter_jobs_list %}
+            <tr>
+              <td>{{ job.service_name }}</td>
+              <td>{{ job.job_id }}</td>
+              <td>{{ job.status }}</td>
+              <td>{{ job.created_at }}</td>
+              <td><input name="send_letter" value='{{ job.job_id }}' type="checkbox"{% if job.send %} checked{% endif %}></td>
+            </tr>
+        {% endfor %}
+        </table>
+      </p>
+      {{ page_footer('Send') }}
+
+      {% if message %}
+      <p>
+        {{ message }}
+      </p>
+      {% endif %}
+    </form>
+
+{% endblock %}