README: add RoadRunner to list of projects (#4226)

README.md

@@ -237,6 +237,7 @@ http.Client{
 | [Hysteria](https://github.com/apernet/hysteria)           | A powerful, lightning fast and censorship resistant proxy                                                                                                         | ![GitHub Repo stars](https://img.shields.io/github/stars/apernet/hysteria?style=flat-square)        |
 | [Mercure](https://github.com/dunglas/mercure)             | An open, easy, fast, reliable and battery-efficient solution for real-time communications                                                                         | ![GitHub Repo stars](https://img.shields.io/github/stars/dunglas/mercure?style=flat-square)         |
 | [OONI Probe](https://github.com/ooni/probe-cli)           | Next generation OONI Probe. Library and CLI tool.                                                                                                                 | ![GitHub Repo stars](https://img.shields.io/github/stars/ooni/probe-cli?style=flat-square)          |
+| [RoadRunner](https://github.com/roadrunner-server/roadrunner) | High-performance PHP application server, process manager written in Go and powered with plugins | ![GitHub Repo stars](https://img.shields.io/github/stars/roadrunner-server/roadrunner?style=flat-square) |
 | [syncthing](https://github.com/syncthing/syncthing/)      | Open Source Continuous File Synchronization                                                                                                                       | ![GitHub Repo stars](https://img.shields.io/github/stars/syncthing/syncthing?style=flat-square)     |
 | [traefik](https://github.com/traefik/traefik)             | The Cloud Native Application Proxy                                                                                                                                | ![GitHub Repo stars](https://img.shields.io/github/stars/traefik/traefik?style=flat-square)         |
 | [v2ray-core](https://github.com/v2fly/v2ray-core)         | A platform for building proxies to bypass network restrictions                                                                                                    | ![GitHub Repo stars](https://img.shields.io/github/stars/v2fly/v2ray-core?style=flat-square)        |