Set Account Resource Limits based on Account Type

[mfreeman451]

https://docs.nats.io/running-a-nats-service/configuration/resource_management#multi-tenancy-and-resource-mgmt

• Add AccountType field to users collection in firestore

accounts {
    <instanceId>: {
        jetstream {
            max_mem: 512M
            max_file: 1G
            max_streams: 10
            max_consumers: 100
        }
    }
}