* Component: GridContentControl for controlling visibility of product content
* Add the content control to all grid blocks
* Use CSS to hide the content on the front end
* Fix missing translation functions
* 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
Kelly Dwan