Coding Dojo: Grocery Store Kata

We'll work on the Grocery Store incremental Kata in pairs using TDD.

Please don't read the steps in advance because the fun part of incremental katas is learning about requirement changes one at a time.

Here you'll find the steps you must follow to do the kata: Grocery Store kata steps (https://github.com/trikitrok/incremental_katas/tree/master/Grocery_store)