Exposes endpoint under "/users/" that returns information on users.
Calls IDP manager to get information not stored locally (email, name),
which in the case of the managed version is auth0.
* feat(management): add groups
* squash
* feat(management): add handlers for groups
* feat(management): add handlers for groups
* chore(management): add tests for the get group of the management
* chore(management): add tests for save group
* Added Domain Category field and fix store tests
* Add GetAccountByDomain method
* Add Domain Category to authorization claims
* Initial GetAccountWithAuthorizationClaims test cases
* Renamed Private Domain map and index it on saving account
* New Go build tags
* Added NewRegularUser function
* Updated restore to account for primary domain account
Also, added another test case
* Added grouping user of private domains
Also added auxiliary methods for update metadata and domain attributes
* Update http handles get account method and tests
* Fix lint and document another case
* Removed unnecessary log
* Move use cases to method and add flow comments
* Split the new user and existing logic from GetAccountWithAuthorizationClaims
* Review: minor corrections
Co-authored-by: braginini <bangvalo@gmail.com>
