added feedback.html on main repo .
{% extends "base.html" %}
{% block content %}
Report of the workshop <a href="/reg/event/view/{{event.key}}">{{event.title}}</a> conducted at {{event.venue}}
from {{event.start_date|date:"d M Y"}} to {{event.stop_date|date:"d M Y"}}
<br />
{{workshop_report|unordered_list}}
{% endblock %}