Added newLISP definition and samples

newLISP is a tiny (350K) scripting language based on Lisp syntax
(s-expressions, lists, homoiconic code as data, etc).

Some example newLISP repositories on GitHub:

- https://github.com/kanendosei/artful-newlisp
- https://github.com/taoeffect/dragonfly-newlisp
- https://github.com/newlisponrockets/newLISP-on-Rockets