Track user's behavior and use it in Reelevant.
- Add purchase_references event
- Make transaction id for purchase mandatory
- Fix category view event name
- Add transaction id to purchase
- rename displayname
- add `product_hover`, `category_view` and `brand_view` event
- Fix permissions with new URL
- Update Reelevant URL
- Fix permissions
- Updated event name
- Update script endpoint
- Initial Version