readme edition

Author: andersonkmi

README.md

@@ -1,2 +1,19 @@
-# leetcode-scala
-Leetcode exercises in Scala
+# Leetcode coding exercises in Scala
+
+Writing the exercises in leetcode.com using Scala language.
+
+## Purpose
+This project was created to save the exercises I am doing using Scala programming language. It is a way 
+to keep up with the language and learn how to use the Scala test library as well.
+
+## Exercises developed so far
+* Length of last word
+* Merge sorted array
+* Remove duplicates from sorted list
+* Single number
+* Single number II
+* Single number III
+
+## Versions
+
+* 1.0.0 - Initial version