add(mail_activity_type):new activity types

CHANGELOG:

### Changed
- [#1097](https://git.coopdevs.org/coopdevs/som-connexio/odoo-somconnexio/-/merge_requests/1097) Add new activity types 

Related card: https://trello.com/c/8gyOj9Fy/1669-nous-tipus-dactivitat-odoo

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