Promote OIDC as first-class in Omni on‑prem docs; add “Authentication setup” prerequisite #44
Description
OIDC is officially supported in Omni 1.2.0 but is hard to discover; it’s only shown inside on‑prem “Docker run” examples while SAML/Keycloak has a dedicated page, causing misconfiguration and duplicated effort.
So I'd propose (not conclusive):
- Add OIDC to “Authentication setup (OIDC or SAML)” and link it at the top of “Deploy Omni on Prem.”
- Create a dedicated “Configure OIDC with Omni” page with issuer, client ID/secret, redirect URI, scopes/claims, and exact env/flags for docker‑compose and docker run; include quick starts for Auth0, Keycloak OIDC, and Dex; link to ACL/claims mapping.