Assign pages as the index page for WordPress custom post types, similar to the Posts Page.
Nginx users, don't forget to add autoindex on; to your example.com.conf file Or you it will throw a 403 nginx forbidden error. File is located:
cd /etc/nginx/sites-available
Example:
root /var/www/mywebsite.com;
autoindex on;
After you modify your mywebsite.com file, restart nginx,
sudo service nginx restart