dsix-work

The reason I mention `preload` is that [CloudFlare](https://blog.cloudflare.com/announcing-support-for-http-2-server-push-2/) is using it to do HTTP/2 server push, following the [preload](https://www.w3.org/TR/preload/#server-push-http-2) draft from W3C.

Wireguard does not provide this functionality directly, so I wouldn't expect wg-api to manage it. That said, I found [this post](https://www.procustodibus.com/blog/2022/12/limit-wireguard-bandwidth/) which goes into details of how to use [tc](https://man7.org/linux/man-pages/man8/tc.8.html)...