Add permit link for band merch

Requested via Slack.

magwest/templates/guest_checklist/band_merch_deadline.html

@@ -9,7 +9,7 @@
   where we will have several tables setup for you to sell merch or sign autographs. During and 
   after your performance, you will be guaranteed space at a table. If you would like to have 
   additional time outside those hours, please indicate that here. We will have a rough schedule 
-  for when you may setup at a table outside the concert hall - if no one has set up a table or 
+  for when you may set up at a table outside the concert hall - if no one has set up a table or 
   if there is space available you will be welcome to setup.
   </p>
   <p>
@@ -22,6 +22,7 @@
   Obtaining a permit is free and the required information for this permit include business location, mailing address, 
   contact info, sales tax types responsible for, and other basic information.
   </p>
+  <p>Once you have obtained the permit, please upload it <a href="https://forms.gle/2iWkVXM6uvBFYdMy5" target="_blank">here</a>.</p>
 {% endblock %}
 
 {% block form_extra %}