Added web ui with templates

templates/rules_list.html

@@ -0,0 +1,23 @@
+{% extends "base.html" %}
+{% block title %}Rules{% endblock title %}
+{% block body %}
+    <div>
+      <a href="/rules/new">New</a>
+    </div>
+    <table>
+      <thead>
+        <tr>
+          <th>Categoría</th>
+          <th>Regla</th>
+        </tr>
+      </thead>
+      <tbody>
+      {% for rule in rules %}
+        <tr>
+          <td>{{rule.category}}</td>
+          <td>{{rule.regex}}</td>
+        </tr>
+      {% endfor %}
+      </tbody>
+    </table>
+{% endblock body %}