Support WECHATY_PUPPET_SERVICE_TOKEN

1. Add `WECHATY_PUPPET_SERVICE_TOKEN` support for all our Polyglot Wechaty projects.
2. Make `WECHATY_PUPPET_HOSTIE_TOKEN` an alias for `WECHATY_PUPPET_SERVICE_TOKEN`, and print a warning message to let the user know it was deprecated with it has been set.

Learn more from https://github.com/wechaty/wechaty/issues/2123