Add Requestly API client (#1743)

Author: dinex-dev

README.md

@@ -441,6 +441,7 @@ Any comments, suggestions? [Let us know!](https://github.com/jaywcjlove/awesome-
 * [Postman](https://www.getpostman.com) - GUI platform for API development. ![Freeware][Freeware Icon]
 * [Reqable](https://reqable.com) - Next-Gen API Development Tool, Advanced API Debugging Proxy and REST Client. ![Freeware][Freeware Icon]
 * [ReqRes](https://reqresapp.com/) - Native macOS app to monitor, debug, and mock HTTP(S) requests and responses. [![Open-Source Software][OSS Icon] ![Freeware][Freeware Icon]](https://github.com/OloApps/ReqRes)
+* [Requestly](https://requestly.io) - Open-source, lightweight Git-Friendly API Client built for modern developers. [![Open-Source Software][OSS Icon]](https://github.com/requestly/requestly) ![Freeware][Freeware Icon]
 * [Trayce](https://trayce.dev) - Lightweight tool to monitor Docker container traffic with a built-in .bru HTTP client. [![Freeware][Freeware Icon] ![Open-Source Software][OSS Icon]](https://github.com/evanrolfe/trayce_gui)
 * [Yaak](https://yaak.app) - A modern API client supporting multiple protocols, offline usage, and Git integration. [![Open-Source Software][OSS Icon]](https://github.com/mountain-loop/yaak)