docs: Add support for users to be admins when logging in using OpenID

Author: jpsfs

pages/docs/configuration/dotenv.mdx

@@ -1087,6 +1087,9 @@ For more information:
     ['OPENID_REQUIRED_ROLE', 'string', 'The required role for validation.','OPENID_REQUIRED_ROLE='],
     ['OPENID_REQUIRED_ROLE_TOKEN_KIND', 'string', 'The token kind for required role validation.','OPENID_REQUIRED_ROLE_TOKEN_KIND='],
     ['OPENID_REQUIRED_ROLE_PARAMETER_PATH', 'string', 'The parameter path for required role validation.','OPENID_REQUIRED_ROLE_PARAMETER_PATH='],
+    ['OPENID_ADMIN_ROLE', 'string', 'The role the user should have in order to be an admin in LibreChat.','OPENID_ADMIN_ROLE='],
+    ['OPENID_ADMIN_ROLE_TOKEN_KIND', 'string', 'The source of the information for admin role verification. Possible values are: access, token or userinfo.','OPENID_ADMIN_ROLE_TOKEN_KIND='],
+    ['OPENID_ADMIN_ROLE_PARAMETER_PATH', 'string', 'The parameter path for required role validation.','OPENID_ADMIN_ROLE_PARAMETER_PATH='],
     ['OPENID_BUTTON_LABEL', 'string', 'The label for the OpenID login button.','OPENID_BUTTON_LABEL='],
     ['OPENID_IMAGE_URL', 'string', 'The URL of the OpenID login button image.','OPENID_IMAGE_URL='],
     ['OPENID_USE_END_SESSION_ENDPOINT', 'string', 'Whether to use the Issuer End Session Endpoint as a Logout Redirect','OPENID_USE_END_SESSION_ENDPOINT=TRUE'],