feat: add OIDC_CLIENT_SECRET configuration to frontend environment and OIDC provider settings

compose.yml

@@ -37,6 +37,7 @@ services:
       args:
         - OIDC_ISSUER_URI=${OIDC_ISSUER_URI:-http://localhost:8090/realms/voidAuth}
         - OIDC_CLIENT_ID=${OIDC_CLIENT_ID:-lmnp-client}
+        - OIDC_CLIENT_SECRET=${OIDC_CLIENT_SECRET:-lmnp-secret}
     container_name: lmnp-frontend
     ports:
       - "80:80"