Add router 4G products in catalog
CHANGELOG:
### Added
- [#888](https://gitlab.com/coopdevs/odoo-somconnexio/-/merge_requests/888) Add 4G category products in API product catalog
Related card: https://trello.com/c/eebHwkzd/1424-api-productcatalog-must-return-new-product-router-4g