[ADD] added module contract_api_somconnexio
CHANGELOG:
### Added
- [#1206](https://git.coopdevs.org/coopdevs/som-connexio/odoo-somconnexio/-/merge_requests/1206) Added module contract_api_somconnexio
Related card: https://trello.com/c/ExK55kUU/1875-contractapisomconnexio
Edited by Daniel Palomar