Move updates table to an include

This reduces duplication

Author: RealOrangeOne

_includes/updates-table.html

@@ -0,0 +1,27 @@
+<table id="updates-table">
+  <tr>
+    <th></th>
+    <th>Release Date</th>
+    <th>Download</th>
+    <th>Licences</th>
+  </tr>
+  {% for kit_version in site.data.kit_versions %}
+    {% assign version = kit_version.version %}
+    <tr id="{{ version | slugify }}">
+      <td>
+        {% if forloop.first %}
+        <code><strong>{{ version }}</strong></code>
+        {% else %}
+        <code>{{ version }}</code>
+        {% endif %}
+      </td>
+      <td>{{ kit_version.released | date_to_string }}</td>
+      <td>
+        <a class="kit-download-link" data-version="{{ version }}" href="https://kit-downloads.studentrobotics.org/kit-software/{{ version }}/srobo-robot-{{ version }}.img.xz">
+          Download {{ version }}
+        </a>
+      </td>
+      <td><a href="https://kit-downloads.studentrobotics.org/kit-software/{{ version }}/srobo-robot-{{ version }}-licences">Licences</a></td>
+    </tr>
+  {% endfor %}
+</table>

_layouts/updates.html

@@ -1,5 +1,5 @@
 ---
-layout: updates
+layout: page
 title: Updates
 extra_js: updates
 ---
@@ -13,3 +13,5 @@ Once you have downloaded the file you need, refer to the documentation on [updat
 Each update file is a complete upgrade. Each file contains the changes of those before it. If you need to jump up multiple versions, you can do so by using the latest file.
 
 The following table outlines the updates which have been published.
+
+{% include updates-table.html %}