Added a link to error page that returns users to the root page

api/templates/error.html

@@ -14,6 +14,7 @@
 			<div class="error__icon"><i class="fa fa-exclamation-triangle"></i></div>
 			<h2>{{ .SiteName }} needs your help:</h2>
 			<p>{{.Message}}</p>
+			<a href="{{.SiteURL}}">Go back to team site</a>
 		</div>
 	</div>
 </body>