introduce db, some changes to UI

server/templates/items.html

@@ -0,0 +1,15 @@
+{% extends "base.html" %}
+{% block title %}Items{% endblock %}
+{% block content %}
+
+<form action="" method="post">
+<table>
+<tr><th>image</th><th>code</th><th>item</th><th>price</th><th>action</th></tr>
+<tr><td></td><td><input name="code" size="14"/></td><td><input name="name" size="30"/></td><td><input name="price" size="2"/></td><td><input type="submit" name="action" value="add"/></tr>
+{% for item in items %}
+<tr><td><img src="/static/items/{{ item.code|safe }}.jpg" width="64" height="64"/></td><td>{{ item.code|safe }}</td><td>{{ item.name|safe }}</td><td>{{ item.price }}</td><td><input type="submit" name="action" value="delete:{{ item.id }}"/></tr>
+{% endfor %}
+</table>
+</form>
+
+{% endblock %}