[add] a recursion example.

Author: vmarcella

README.md

@@ -21,6 +21,7 @@ This language is still currently experimental with many more features to come.
 * Conditionals.
 * Loops.
 * Closures.
+* [Recursion](examples/recursion.ls).
 * Blocks.
 * Printing.
 * Lambda expressions/Anonymous functions.

examples/fib.ls renamed to examples/recursion.ls

@@ -1,3 +1,4 @@
+// Typical function declaration that solves for fib of n
 func fib(n) {
   if (n <= 1) {
     return n;
@@ -6,4 +7,5 @@ func fib(n) {
   return fib(n - 2) + fib(n - 1);
 }
 
+// Starts parsing fib of 10.
 print fib(10);