Support IPv6 and CORS for font hosting

site-cookbooks/kosmos_assets/templates/nginx_conf_assets.erb

@@ -3,6 +3,7 @@
 
 server {
   listen 443 ssl http2;
+  listen [::]:443 ssl http2;
   server_name <%= @domain %>;
 
   root /var/www/<%= @domain %>/site;
@@ -11,6 +12,8 @@ server {
   gzip_static on;
   gzip_comp_level 5;
 
+  add_header 'Access-Control-Allow-Origin' '*';
+
   location ~* .(css)$ {
     expires 1d;
   }