Added w4/chartered to Registries category

README.md

@@ -1487,6 +1487,7 @@ A registry allows you to publish your Rust libraries as crate packages, to share
 
 * [Cloudsmith :heavy_dollar_sign:](https://cloudsmith.com/cargo-registry/) — A fully managed package management SaaS, with first-class support for public and private Cargo/Rust registries (plus many others). Has a generous free-tier and is also completely free for open-source.
 * [Crates](https://crates.io) — The official public registry for Rust/Cargo.
+* [w4/chartered](https://github.com/w4/chartered) - A private, authenticated, permissioned Cargo registry [![CI](https://github.com/w4/chartered/actions/workflows/ci.yml/badge.svg)](https://github.com/w4/chartered/actions/workflows/ci.yml)
 
 ## Resources