Draft: POC to show getting catalog info from attrs

CHANGELOG:

### CHANGED
- [#595](https://gitlab.com/coopdevs/odoo-somconnexio/-/merge_requests/595) POC to show getting catalog info from attrs

Related card: https://trello.com/c/UDR1V22r/900-redefinir-como-sacamos-los-minutos-datos-y-velocidad-de-las-tarifas-para-la-api-de-catalogo

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