Add perf-monitor-rs as a rust library

README.md

@@ -698,6 +698,7 @@ See also [Are we (I)DE yet?](https://areweideyet.com/) and [Rust Tools](https://
 ## Libraries
 
 * [Phate6660/nixinfo](https://github.com/Phate6660/nixinfo) [[crate](https://crates.io/crates/nixinfo)] — A lib crate for gathering system info such as cpu, distro, environment, kernel, etc.
+* [perf-monitor-rs](https://github.com/larksuite/perf-monitor-rs) — A toolkit designed to be a foundation for applications to monitor their performance. [![crates.io](https://img.shields.io/crates/v/perf_monitor.svg)](https://crates.io/crates/perf_monitor)
 
 ### Artificial Intelligence