get https://api.linode.com//databases/postgresql/instances/
Display information for a single, accessible PostgreSQL Managed Database.
linode-cli databases postgresql-view 123
<https://techdocs.akamai.com/cloud-computing/docs/getting-started-with-the-linode-cli>
databases:read_only
<https://techdocs.akamai.com/linode-api/reference/get-started#oauth>