feat(nginx): enable asynchronous IO (#30)

https://www.nginx.com/blog/thread-pools-boost-performance-9x/

https://nginx.org/en/docs/http/ngx_http_core_module.html#aio

Author: ChandonPierre

nginx.conf

@@ -17,6 +17,9 @@ http {
     map_hash_bucket_size 128;
     include       /etc/nginx/mime.types;
     default_type  application/octet-stream;
+    aio threads;
+    aio_write on;
+    sendfile        on;
 
     # Include nginx timeout configs
     include       /etc/nginx/nginx.timeouts.config.conf;