Update README.md

Author: ChananM

README.md

@@ -45,6 +45,7 @@ We're trying to use the best tools and practices in order to produce a quality e
 - [Iteration 0 - ZFR](../../wiki/Iter0-ZFR)
 - [Iteration 1 - MVP](../../wiki/Iter1-MVP)
 - [Iteration 2 - Alpha](../../wiki/Iter2-Alpha-Version)
+- [Iteration 3 - Beta](../../wiki/Iter3-Beta-Version)
 
 ## Structure and build