euscanwww: big commit

- fix commands
- import DataTables
- initial category view

Signed-off-by: Corentin Chary <corentincj@iksaif.net>

euscanwww/templates/euscan/index.html

@@ -1,5 +1,15 @@
 {% extends "_base.html" %}
 
 {% block content %}
-Hello world !
+<h2>What's euscan ?</h2>
+<p>blabla</p>
+<h2>Statistics</h2>
+<ul>
+  <li>Packages: {{ n_packages }}</li>
+  <li>Versions: {{ n_packaged }}</li>
+  <li>Versions not-packaged: {{ n_upstream }}</li>
+  <li>Herds: {{ n_herds }}</li>
+  <li>Maintainer: {{ n_maintainers }}</li>
+  <li>Last scan: {{ last_scan }}</li>
+</ul>
 {% endblock %}