use serveo.net generate link for HTTP server

[Davider]

@Gintaras

My operating steps are as follows:
https://i.ibb.co/MD0W3Mt/AA.gif

---

It worked! I forgot to add the function at the end of the link.
format:
https://baf32aafxxxxxxxxxxxxxxxxxxx.serveo.net/Simple

---

This is the simplest method I found, and it supports HTTPS as well.

---

I believe this method should be added to the help documentation of the HTTP Server class. It's truly exciting!