* Rename groups in channel/team to group channel/team
* Redefine groups schema
* Groups action and operator
* Add group at mentions
* fix uni test
* Update types/database/models/servers/group.d.ts
Co-authored-by: Avinash Lingaloo <avinashlng1080@gmail.com>
Co-authored-by: Avinash Lingaloo <avinashlng1080@gmail.com>