* API - Block qty > 1 for sold individually products
* Add item validation for sold individually to block checkout
* Fix validation check
* Add client side limit if sold individually
* Prevent never ending loading on failed add to cart
* Change cart button for sold individually errors
* Switch add to cart events to useStoreCart hook
* Add to cart endpoint
* Inject dependenct schemas
* Feedback, cart items are based on product schema
* Variable typo
* Move hook to base
* Update totals correcrly
* Update tests to use schema/routes class
* Update tests to correctly use schema
* Remove type hint to prevent strict standards error
Mike Jolley