adding .gitignore file
adding rspec gem to test group of Gemfile
creating product.rb class
creating product_spec.rb testing file
adding before each block to product test
adding input.txt files for testing
adding partseTxtFileInput ruby file and rspec testing file
adding main.rb file
making tests for product initialization pass
refactoring name of txtFileInput class
adding markupCalculator module and testing file
calling methods to generate proper output in main
Updating specs