* Update textdomain in JS files
* Update textdomain in PHP files
* Add babel plugin to create pot & php files from JS
* Update textdomain in plugin header
* Update translations after rebase
* Add a second block, for “products by category”
* Fetch products in the given category, when attributes change
* Display the resulting products
* Style the product preview
* Create utils folder, move shared attributes
* Move getQuery to shared utils folder
* Create a helper function to get the shortcode string
* Support the menu_order setting
* Support center/wide/full alignment
* Update PropTypes
* Add tests
* Add text domain to translation functions