add registration form

templates/auth/login.html.j2

@@ -7,5 +7,7 @@
 
 {{ render_form(form) }}
 
+<a href="{{ url_for('.sign_up') }}" class="btn btn-primary">Sign Up</a>
+
 {% endblock %}
 

templates/auth/sign_up.html.j2

@@ -0,0 +1,11 @@
+
+{% extends 'auth/base.html.j2' %}
+
+{% block title %}{{ gettext('Sign Up') }}{% endblock %}
+
+{% block content %}
+
+{{ render_form(form) }}
+
+{% endblock %}
+