devel/rubygem-google-apis-admin_directory_v1: Add rubygem-google-apis-admin_directory_v1 0.53.0

This is a simple client library for version V1 of the Admin SDK API. It
provides:

• A client object that connects to the HTTP/JSON REST endpoint for the service.
• Ruby objects for data structures related to the service.
• Integration with the googleauth gem for authentication using OAuth, API keys, and service accounts.
• Control of retry, pagination, and timeouts.