Add newLisp, our second interpreted lisp implementation that supports f-exprs today, (not in NixOS, but pretty easy to build, so inlined deriviation right in flake.nix). Implemented simple fib/fib-let test.

koka_bench/newlisp/newlisp-fib-let.nl

@@ -0,0 +1,17 @@
+#!/usr/bin/env newlisp
+;;
+;; fibonacci series
+;; mostly from http://www.newlisp.org/syntax.cgi?benchmarks/fibo.newlisp.txt
+;; 	modified slightly to match others
+;; 
+
+(define (fib n)
+	(cond ((= 0 n)	1)
+		  ((= 1 n)  1)
+		  (true		(let (a (fib (- n 1))
+		                  b (fib (- n 2))
+						  ) (+ a b)))))
+
+(println (fib (integer (main-args 2))))
+
+(exit)