docs(README): automatic update (#128)
docs(README): automatic update (#128)

Update to version 4.0 of the client (Swift 3 migration). [ci skip]
algoliareadmebot/algoliasearch-client-swift,algoliareadmebot/algoliasearch-client-swift,algolia/algoliasearch-client-swift,algoliareadmebot/algoliasearch-client-swift,algolia/algoliasearch-client-swift