add valitron

README.md

@@ -1830,6 +1830,7 @@ See also [Are we web yet?](https://www.arewewebyet.org) and [Rust web framework
   * [tbot](https://gitlab.com/SnejUgal/tbot) [[tbot](https://crates.io/crates/tbot)] - Make cool Telegram bots easily [![pipeline status](https://gitlab.com/SnejUgal/tbot/badges/master/pipeline.svg)](https://gitlab.com/SnejUgal/tbot/-/commits/master)
   * [teloxide/teloxide](https://github.com/teloxide/teloxide/) - An elegant Telegram bots framework [![Build Status](https://github.com/teloxide/teloxide/workflows/Continuous%20integration/badge.svg?branch=master)](https://github.com/teloxide/teloxide/actions)
   * [utkarshkukreti/select.rs](https://github.com/utkarshkukreti/select.rs) [[select](https://crates.io/crates/select)] — A library to extract useful data from HTML documents, suitable for web scraping.
+  * [valitron](http://github.com/tu6ge/valitron/) - An ergonomics, functional and configurable validation
 * Reverse Proxy
   * [sozu-proxy/sozu](https://github.com/sozu-proxy/sozu) [[sozu](https://crates.io/crates/sozu)] — A HTTP reverse proxy. [![CI](https://github.com/sozu-proxy/sozu/actions/workflows/ci.yml/badge.svg?branch=main)](https://github.com/sozu-proxy/sozu/actions/workflows/ci.yml)
 * Static Site Generators