Add ms library

Ms - it's a library for converting human-like times to milliseconds
`ms("1d") // will return 86400000`

README.md

@@ -956,6 +956,7 @@ See also [About Rust’s Machine Learning Community](https://medium.com/@autumn_
 
 * [chronotope/chrono](https://github.com/chronotope/chrono) — [<img src="https://api.travis-ci.org/chronotope/chrono.svg?branch=master">](https://travis-ci.org/chronotope/chrono)
 * [yaa110/rust-persian-calendar](https://github.com/yaa110/rust-persian-calendar) — [<img src="https://api.travis-ci.org/yaa110/rust-persian-calendar.svg?branch=master">](https://travis-ci.org/yaa110/rust-persian-calendar)
+* [Mnwa/ms](https://github.com/Mnwa/ms) — [<img src="https://github.com/Mnwa/ms/workflows/build/badge.svg?branch=master">](https://github.com/Mnwa/ms/actions?query=workflow%3Abuild)
 
 ### Distributed systems
 
@@ -1482,4 +1483,4 @@ A registry allows you to publish your Rust libraries as crate packages, to share
 
 ## License
 
-[![CC0](https://licensebuttons.net/p/zero/1.0/88x31.png)](https://creativecommons.org/publicdomain/zero/1.0/)
+[![CC0](https://licensebuttons.net/p/zero/1.0/88x31.png)](https://creativecommons.org/publicdomain/zero/1.0/)