docs(addApiKey): update usage (still had the userKey method) (#678)
docs(addApiKey): update usage (still had the userKey method) (#678)


algolia/algoliasearch-client-javascript,algolia/algoliasearch-client-javascript,algolia/algoliasearch-client-javascript,algolia/algoliasearch-client-js,algolia/algoliasearch-client-js,algolia/algoliasearch-client-javascript,algolia/algoliasearch-client-js