Physics: Add Project Chrono

Author: myd7349

README.md

@@ -614,6 +614,7 @@ array expressions, inspired by NumPy syntax. [BSD 3-clause] [website](http://qua
 * [Newton Dynamics](https://github.com/MADEAPPS/newton-dynamics) - An integrated solution for real time simulation of physics environments. [zlib]
 * [ODE](http://www.ode.org/) - Open Dynamics Engine - An open source, high performance library for simulating rigid body dynamics. [BSD&LGPL]
 * [ofxBox2d](https://github.com/vanderlin/ofxBox2d) - openFrameworks wrapper for Box2D. [BSD-like]
+* [Project Chrono](https://github.com/projectchrono/chrono) - An open source multi-physics simulation engine. [BSD-3-Clause] [website](https://projectchrono.org/)
 * [Simbody](https://github.com/simbody/simbody) - High-performance C++ multibody dynamics/physics library for simulating articulated biomechanical and mechanical systems like vehicles, robots, and the human skeleton. [Apache2]
 
 ## Regular Expression