[FR] Support for Mutliple Users and Groups (and then LDAP support) - to use AppFlowy within a Team for Knowledge sharing and Project Management

### Description

The ability to have Users and Groups sharing the same AppFlowy Instance so that this tool can be used in a team environment.

Have AppFlowy also Authenticate against an LDAP server, specifically FreeIPA so that it can be used in professional organizations

### Impact

Users that work in Startups, Small, Medium and Enterprise Companies.

### Additional Context

_No response_