Add Rust language for comparison

[XVilka]

Rust has the striving computational community, e.g:

• rustsim computer simulation community
• nalgebra linear algebra framework
• rust-sci community

See a good introduction to scientific computing with Rust

[JulesKouatchou]

I will check on that. I need to make sure that I can easily install Rust on my system(s) and quickly write code with it. This is a side project that I can only do when I do not have any pending task.