Add mjs mime type

client/nginx.conf

@@ -8,6 +8,10 @@ events {
 http {
   include       /etc/nginx/mime.types;
   default_type  application/octet-stream;
+  types {
+    application/javascript mjs;
+  }
+  
   log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                     '$status $body_bytes_sent "$http_referer" '
                     '"$http_user_agent" "$http_x_forwarded_for"';