[aur-general] package with nginx config file

I'm making a package for a webapp that will include an nginx config file. What's the convention for these config files, where's the best place to put them? Ideally, I'd like to see a » include /etc/nginx/sites/*.conf;« at the bottom of the main /etc/nginx/nginx.conf so at least files dropped there would work out-of-the-box. -- damjan