initialize Rails
add application/testing gems to Gemfile
add migrations and data models
add DataImport class and test
remove turbolinks references
write routes for data_import page
add data_import controller and view
display total amount for last file upload
more assertions and test for multiple dup orders
add uuid gem and allow for duplicate orders
refactor data_import
make it pretty(er)
account for when file not uploaded
add instructions (setup) doc