Adding Shopify to companies list (#51)

Author: patsissons

_data/companies.csv

@@ -50,6 +50,7 @@ PurpleLion,Rails,HR/Recruiting/Marketing,http://purplelion.ca,Vancouver,Micro,,
 Rise People,Rails,Payroll/HR/Benefits,https://risepeople.com,Vancouver,Small,"Angular, Postgres, Node, Php, Docker, AWS","Web App, API"
 Robot Overlord,Ruby/Rails,Product agency & AI,http://robotoverlord.io,Vancouver + remote,Micro,Ruby/Python/JS/Elixir/Clojure/Haskell/React/Om,APIs & Web Apps
 Sage,Rails,Finance/ Accounting,http://www.sageone.com,Richmond,Large,.NET,
+Shopify,Rails/Ruby,Commerce Platform,https://www.shopify.com/,Vancouver,Large,"React, GraphQL","Web App, API"
 Social Chorus,Rails/Ruby,Marketing/Social,http://www.socialchorus.com,Vancouver,Small,,
 Spacelist,Rails,Rental,http://spacelist.ca,Vancouver,Micro,,
 Spark,Rails,Real Estate,https://spark.re,Vancouver,Medium,"Rails, Postgres, AWS","Web App, API"