nginx_web2py move and rename nginx_conf

It makes sense to do things in the same way the debian packages have
been setup

docker/vidjil/Dockerfile

@@ -49,8 +49,8 @@ run cd /usr/share/web2py && chown -R www-data:www-data .
 copy ./conf/gzip_static.conf /etc/nginx/conf.d/web2py/gzip_static.conf
 copy ./conf/gzip.conf /etc/nginx/conf.d/web2py/gzip.conf
 copy ./conf/uwsgi.conf /etc/nginx/conf.d/web2py/uwsgi.conf
-copy ./sites/nginx_conf /etc/nginx/sites-enabled/web2py
-copy ./sites/nginx_conf /etc/nginx/sites-available/web2py
+copy ./conf/nginx_web2py /etc/nginx/sites-enabled/web2py
+copy ./conf/nginx_web2py /etc/nginx/sites-available/web2py
 
 copy ./conf/uwsgi.ini /etc/uwsgi/apps-enabled/web2py.ini
 copy ./conf/defs.py /etc/vidjil/defs.py