Add tutorial links + minor enhancements
Add tutorial links + minor enhancements

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