Tài liệu hướng dẫn Liquid cho việc làm theme trên Haravan
http://cheat.markdunkley.com/
http://www.tetchi.ca/shopify-theme-from-scratch-part-1/
http://liquidmarkup.org/
https://github.com/Shopify/Timber
http://webdesign.tutsplus.com/tutorials/getting-started-with-liquid-shopifys-template-language--cms-19747