Barn2 Media - WooCommerce Restaurant Ordering 2.1.9

* Dev: Better accessibility for the restaurant menu page
* Dev: Added the uninstall file

* Dev: Upgraded the internal libraries and barn2-lib
* Dev: Tested up to WordPress 6.5.4 and WooCommerce 8.9.2
* Dev: Added visual effects when menu items are focused
* Fix: Don't validate the Product Option fields

* New: Added Dutch translation files
* Dev: Tested up to WordPress 6.4.2 and WooCommerce 8.5.2
* Dev: Added WPML config file
* Dev: Added a filter for WDM compatibility
* Fix: Quick adding to cart doesn't work properly
* Fix: Spinner is not showing when opening modal