Add a Val Town guide

[stevekrouse]

Is your feature request related to a problem? Please describe.

I am a founder of https://val.town and we can deploy feTS!

Describe the solution you'd like

I'd like to contribute a guide via a pull request in the spirit of this deno one, as well as be included in the "Deploy Anywhere" section on the homepage.

Additional context

Here's a demo of a feTS server on Val Town: https://www.val.town/v/pomdtr/fets

[stevekrouse]

I wanted to create this ticket before sending over an unsolicited PR. If you're open to this, please let me know and I'll send a PR!

[ardatan]

Of course! Feel free to create! This looks so cool!