Change error domain to “AlgoliaSearch”
Change error domain to “AlgoliaSearch”

Also expose it as a top-level constant (Swift only).

algolia/algoliasearch-client-swift,algoliareadmebot/algoliasearch-client-swift,algoliareadmebot/algoliasearch-client-swift,algoliareadmebot/algoliasearch-client-swift,algolia/algoliasearch-client-swift