Implement auth databridge service to use it as internal auth api
ref
https://gitlab.prozorro.sale/prozorro-sale/procedure/-/blob/master/src/prozorro_sale/procedure/databridge.py
https://gitlab.prozorro.sale/prozorro-sale/billing/-/tree/master/src/prozorro_sale/billing_service/databridge
https://gitlab.prozorro.sale/prozorro-sale/prozorro-registry/-/blob/master/src/prozorro_sale/registry/databridge.py
helm config ref
https://gitlab.prozorro.sale/prozorro-sale/procedure/-/blob/master/helm/prozorro-sale-procedure/templates/databridge.yaml