README: show discord member count

README.md

@@ -11,7 +11,7 @@
 # [devenv.sh](https://devenv.sh) - Fast, Declarative, Reproducible, and Composable Developer Environments
 
 [![Built with Nix](https://img.shields.io/static/v1?logo=nixos&logoColor=white&label=&message=Built%20with%20Nix&color=41439a)](https://builtwithnix.org)
-[![Discord channel](https://img.shields.io/discord/1036369714731036712?color=7389D8&label=discord&logo=discord&logoColor=ffffff)](https://discord.gg/naMgvexb6q)
+[![Discord channel](https://img.shields.io/badge/dynamic/json?url=https%3A%2F%2Fdiscord.com%2Fapi%2Finvites%2FnaMgvexb6q%3Fwith_counts%3Dtrue&query=%24.approximate_member_count&logo=discord&logoColor=white&label=Discord%20users&color=green&style=flat)](https://discord.gg/naMgvexb6q)
 ![License: Apache 2.0](https://img.shields.io/github/license/cachix/devenv)
 [![Version](https://img.shields.io/github/v/release/cachix/devenv?color=green&label=version&sort=semver)](https://github.com/cachix/devenv/releases)
 [![CI](https://github.com/cachix/devenv/actions/workflows/buildtest.yml/badge.svg)](https://github.com/cachix/devenv/actions/workflows/buildtest.yml?branch=main)