Add some more badges to README

README.md

@@ -2,6 +2,9 @@ rust-url
 ========
 
 [![Build status](https://github.com/servo/rust-url/workflows/CI/badge.svg)](https://github.com/servo/rust-url/actions?query=workflow%3ACI)
+[![Chat](https://img.shields.io/badge/chat-%23rust--url:mozilla.org-%2346BC99?logo=Matrix)](https://matrix.to/#/#rust-url:mozilla.org)
+[![License: MIT](https://img.shields.io/badge/License-MIT-blue.svg)](LICENSE-MIT)
+[![License: Apache 2.0](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](LICENSE-APACHE)
 
 URL library for Rust, based on the [URL Standard](https://url.spec.whatwg.org/).