message: docs: Extend badges
diff: <img src="https://raw.githubusercontent.com/solid/community-server/main/templates/images/solid.svg" alt="[Solid logo]" height="150" align="right"/>
  +[![MIT license](https://img.shields.io/npm/l/@solid/community-server)](https://github.com/solid/community-server/blob/main/LICENSE.md)
  +[![npm version](https://img.shields.io/npm/v/@solid/community-server)](https://www.npmjs.com/package/@solid/community-server)
  +[![Node.js version](https://img.shields.io/node/v/@solid/community-server)](https://www.npmjs.com/package/@solid/community-server)
  [![Build Status](https://github.com/solid/community-server/workflows/CI/badge.svg)](https://github.com/solid/community-server/actions)
  [![Coverage Status](https://coveralls.io/repos/github/solid/community-server/badge.svg)](https://coveralls.io/github/solid/community-server)
  -[![npm version](https://img.shields.io/npm/v/@solid/community-server)](https://www.npmjs.com/package/@solid/community-server)
  +[![GitHub discussions](https://img.shields.io/github/discussions/solid/community-server)](https://github.com/solid/community-server/discussions)
  +[![Chat on Gitter](https://badges.gitter.im/solid/community-server.svg)](https://gitter.im/solid/community-server)
  **The Community Solid Server is open software
  that provides you with a [Solid](https://solidproject.org/) Pod and identity.
  