Get user data from keycloak in login service

[spherulitic]

At some point in the login flow, the login service is called. This validates a user's cardbox, creates a new one if necessary, sets default permissions for first time users, etc. This service will need to get user data from keycloak rather than a session cookie / session cache

[spherulitic]

Also need to determine -- how much of this can be stored as attributes in keycloak?

[spherulitic]

Much of this is OBE Many user preferences can be turned into keycloak attributes Will need to call cardbox service for default cardbox setup, etc