Add basic Machine Provider UI

appengine/machine_provider/templates/index.html

Index: appengine/machine_provider/templates/index.html
diff --git a/appengine/machine_provider/templates/index.html b/appengine/machine_provider/templates/index.html
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index 0000000000000000000000000000000000000000..c7005474e3cedac9bd769277fa8e79f131d6ac6f
--- /dev/null
+++ b/appengine/machine_provider/templates/index.html
@@ -0,0 +1,16 @@
+{% extends "templates/base.html" %}

[M-A Ruel, 2016/07/30 01:41:58]

Please name it 'root.html' for consistency with the other apps.

[smut, 2016/08/02 23:26:33]

Done.

+{% block content %}
+<div class="notice">
+  Machine Provider is an open-source provider of VMs and a part of <a href="https://github.com/luci/luci-py">LUCI</a>.
+</div>
+<h2>Pages</h2>
+<ul>
+{% if is_admin %}
+  <li><a href="/leases">Lease Requests</a></a></li>
+  <li><a href="/catalog">Machine Catalog</a></li>
+  <li><a href="/_ah/api/explorer">Endpoints</a></li>
+{% else %}
+  <li>Currently, pages are only visible to admins. Are you signed in?</li>
+{% endif %}
+</ul>
+{% endblock %}