Add/marginalized groups somconnexio module
CHANGELOG:
### Changed
- [#1256](https://git.coopdevs.org/coopdevs/som-connexio/odoo-somconnexio/-/merge_requests/1256) Add marginalized groups somconnexio module
Related card: https://trello.com/c/Sbeo1Sxp/1892-crear-etiquetes-cm-per-bd-per-for%C3%A7ar-el-trigger-del-camp-representant-cm
Edited by Gerard Funosas