Add OIDC secret placeholders to .env.example files

- Add OIDC HMAC and client secrets to authelia/.env.example
- Create ollama/.env.example with OIDC client secret placeholder

authelia/.env.example

@@ -4,3 +4,8 @@
 AUTHELIA_JWT_SECRET=
 AUTHELIA_SESSION_SECRET=
 AUTHELIA_STORAGE_ENCRYPTION_KEY=
+
+# OIDC client secrets — generate with: openssl rand -hex 32
+AUTHELIA_IDENTITY_PROVIDERS_OIDC_HMAC_SECRET=
+AUTHELIA_OIDC_CLIENT_SECRET_LINKDING=
+AUTHELIA_OIDC_CLIENT_SECRET_OPEN_WEBUI=

ollama/.env.example

@@ -0,0 +1,2 @@
+# Open WebUI OIDC — must match AUTHELIA_OIDC_CLIENT_SECRET_OPEN_WEBUI in Authelia stack
+AUTHELIA_OIDC_CLIENT_SECRET_OPEN_WEBUI=