🐳 [#4788] Add example data for OIDC admin setupconfig to docker setup

docker/setup_configuration/data.yaml

@@ -1,3 +1,37 @@
+oidc_db_config_enable: True
+oidc_db_config_admin_auth:
+  enabled: True
+  oidc_rp_client_id: testid
+  oidc_rp_client_secret: 7DB3KUAAizYCcmZufpHRVOcD0TOkNO3I
+  oidc_rp_scopes_list:
+  - openid
+  - email
+  - profile
+  oidc_rp_sign_algo: RS256
+  oidc_op_jwks_endpoint: http://keycloak.open-forms.local:8080/realms/test/protocol/openid-connect/certs
+  endpoint_config:
+      oidc_op_authorization_endpoint: http://keycloak.open-forms.local:8080/realms/test/protocol/openid-connect/auth
+      oidc_op_token_endpoint: http://keycloak.open-forms.local:8080/realms/test/protocol/openid-connect/token
+      oidc_op_user_endpoint: http://keycloak.open-forms.local:8080/realms/test/protocol/openid-connect/userinfo
+  username_claim:
+  - sub
+  groups_claim:
+  - roles
+  claim_mapping:
+    first_name:
+    - given_name
+  sync_groups: true
+  sync_groups_glob_pattern: "*"
+  default_groups:
+  - Functioneel beheer
+  make_users_staff: true
+  superuser_group_names:
+  - superuser
+  oidc_use_nonce: true
+  oidc_nonce_size: 32
+  oidc_state_size: 32
+  userinfo_claims_source: id_token
+
 zgw_consumers_config_enable: True
 zgw_consumers:
   services: