Add a simple README.md file including an example use case

Author: zaierw

README.md

@@ -1 +1,9 @@
-# rearrange
+ rearrange
+===========
+This module is used for rearranging names.
+Turn "LASTNAME, FIRSTNAME" into FIRSTNAME LASTNAME."
+
+##Example
+* calling `rearrange_name("Turing, Alain")` will return `"Alain Turing"`
+* calling `rearrange_name("Ali, Cali")` will return `"Cali Ali"`
+* calling `rearrange_name("Dan, Lee")` will return `"Lee Dan"`