Added a footer link to the GitHub wiki

netbox/templates/_base.html

@@ -295,7 +295,8 @@
                     <p class="text-muted">
                         <i class="fa fa-fw fa-book text-primary"></i> <a href="http://netbox.readthedocs.io/" target="_blank">Docs</a> &middot;
                         <i class="fa fa-fw fa-cloud text-primary"></i> <a href="{% url 'django.swagger.base.view' %}">API</a> &middot;
-                        <i class="fa fa-fw fa-code text-primary"></i> <a href="https://github.com/digitalocean/netbox">Code</a>
+                        <i class="fa fa-fw fa-code text-primary"></i> <a href="https://github.com/digitalocean/netbox">Code</a> &middot;
+                        <i class="fa fa-fw fa-support text-primary"></i> <a href="https://github.com/digitalocean/netbox/wiki">Help</a>
                     </p>
                 </div>
             </div>