dodati payment kodovi, generisanje kodova, pdf view,promena payment page

backend/core/templates/admin/generate_codes.html

@@ -0,0 +1,11 @@
+{% extends "admin/base_site.html" %}
+
+{% block content %}
+  <div id="content-main">
+    <h2>Generate Payment Codes</h2>
+    <form method="post">{% csrf_token %}
+      {{ form.as_p }}
+      <input type="submit" name="apply" value="Generate" class="default">
+    </form>
+  </div>
+{% endblock %}