Clova's embedding service.
To use this service,
you should have the following environment variables
set with your API tokens and application ID,
or pass them as named parameters to the constructor:
CLOVA_EMB_API_KEY: API key for accessing Clova's embedding service.CLOVA_EMB_APIGW_API_KEY: API gateway key for enhanced security.CLOVA_EMB_APP_ID: Application ID for identifying your application.
