prepare readme for JS client V3 release
prepare readme for JS client V3 release

algoliareadmebot/algoliasearch-client-java-2,algoliareadmebot/algoliasearch-client-java-2,algoliareadmebot/algoliasearch-client-java,algolia/algoliasearch-client-java,algoliareadmebot/algoliasearch-client-java,algolia/algoliasearch-client-java