Idea: policies

[leondutoit]

Example use cases:

• login only from given geographical areas
• level of assurance for project membership
• no data export

Possible definition:

create table policies(
  row_id uuid unique not null default gen_random_uuid(),
  policy_id uuid unique not null primary key default gen_random_uuid(),
  policy_name text unique not null,
  policy_description text not null,
  policy_data jsonb,
  policy_mandatory boolean not null default 't',
  policy_start_date timestamptz,
  policy_end_date timestamptz,
  policy_activated boolean not null default 't'
);